{"id":18066,"date":"2024-07-05T16:31:47","date_gmt":"2024-07-05T08:31:47","guid":{"rendered":"https:\/\/www.casingtube.com\/?p=18066"},"modified":"2024-07-06T23:48:30","modified_gmt":"2024-07-06T15:48:30","slug":"grades-of-octg-casing-and-tubing","status":"publish","type":"post","link":"https:\/\/www.casingtube.com\/bn\/grades-of-octg-casing-and-tubing\/","title":{"rendered":"OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u0997\u09cd\u09b0\u09c7\u09a1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.casingtube.com\/bn\/grades-of-octg-casing-and-tubing\/#OCTG_%E0%A6%95%E0%A7%87%E0%A6%B8%E0%A6%BF%E0%A6%82_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9F%E0%A6%BF%E0%A6%89%E0%A6%AC%E0%A6%BF%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7\" title=\"OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7:\">OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.casingtube.com\/bn\/grades-of-octg-casing-and-tubing\/#OCTG_%E0%A6%8F%E0%A6%B0_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A7%87%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A6%B0%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A7%87%E0%A6%B8%E0%A6%BF%E0%A6%82_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9F%E0%A6%BF%E0%A6%89%E0%A6%AC%E0%A6%BF%E0%A6%82_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A6%B0%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6_%E0%A6%B8%E0%A6%B9%E0%A7%8D%E0%A6%AF_%E0%A6%95%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%A1%E0%A6%BF%E0%A6%9C%E0%A6%BE%E0%A6%87%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%9B%E0%A7%87%E0%A5%A4_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A6%BE%E0%A6%AA%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A4%E0%A6%BE_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%B8%E0%A6%AC%E0%A6%9A%E0%A7%87%E0%A6%AF%E0%A6%BC%E0%A7%87_%E0%A6%97%E0%A7%81%E0%A6%B0%E0%A7%81%E0%A6%A4%E0%A7%8D%E0%A6%AC%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A5%A4_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%B0_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF_%E0%A6%B8%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A6%A4_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%B0_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%85%E0%A6%AB%E0%A6%BE%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%AF%E0%A6%BE_%E0%A6%A4%E0%A6%BE%E0%A6%A6%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A6%A0%E0%A7%8B%E0%A6%B0_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%8B%E0%A6%B2%E0%A7%87_%E0%A6%AF%E0%A7%87%E0%A6%AE%E0%A6%A8_%E0%A6%85%E0%A6%AB%E0%A6%B6%E0%A7%8B%E0%A6%B0_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%AC%E0%A6%BE_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%AE%E0%A6%BE%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%9C%E0%A7%87%E0%A6%A8_%E0%A6%B8%E0%A6%BE%E0%A6%B2%E0%A6%AB%E0%A6%BE%E0%A6%87%E0%A6%A1_%E0%A6%AC%E0%A6%BE_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%A8_%E0%A6%A1%E0%A6%BE%E0%A6%87_%E0%A6%85%E0%A6%95%E0%A7%8D%E0%A6%B8%E0%A6%BE%E0%A6%87%E0%A6%A1_%E0%A6%B8%E0%A6%B9_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%B8%E0%A6%AC%E0%A6%9A%E0%A7%87%E0%A6%AF%E0%A6%BC%E0%A7%87_%E0%A6%B8%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%A3_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%B9%E0%A6%B2_api_5ct_l80_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%8F%E0%A6%87_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%AE%E0%A6%BE%E0%A6%9D%E0%A6%BE%E0%A6%B0%E0%A6%BF_%E0%A6%A5%E0%A7%87%E0%A6%95%E0%A7%87_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A6%95%E0%A6%AD%E0%A6%BE%E0%A6%AC%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4_%E0%A6%B9%E0%A6%AF%E0%A6%BC_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A6%A3_%E0%A6%8F%E0%A6%B0_%E0%A6%AE%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%BE%E0%A6%A8_%E0%A6%AF%E0%A6%BE_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%8F%E0%A6%9C%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%9F%E0%A6%A6%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE_%E0%A6%AC%E0%A6%BE%E0%A6%A1%E0%A6%BC%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A5%A4_L80_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%AC_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%B0%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%8F%E0%A6%9F%E0%A6%BF_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%B6%E0%A6%BF%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A7%83%E0%A6%A4_%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%9C%E0%A6%A8%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC_%E0%A6%AA%E0%A6%9B%E0%A6%A8%E0%A7%8D%E0%A6%A6_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%81%E0%A6%B2%E0%A7%87%E0%A6%9B%E0%A7%87%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0%E0%A5%A4_%E0%A6%8F%E0%A6%87_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%B6%E0%A6%87_%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%BF_%E0%A6%9A%E0%A6%BE%E0%A6%B9%E0%A6%BF%E0%A6%A6%E0%A6%BE%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4_%E0%A6%B9%E0%A6%AF%E0%A6%BC_%E0%A6%AF%E0%A7%87%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%87_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A5%A4_P110_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A7%83%E0%A6%A2%E0%A6%BC%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%AD%E0%A6%BE%E0%A6%B0%E0%A6%B8%E0%A6%BE%E0%A6%AE%E0%A7%8D%E0%A6%AF_%E0%A6%85%E0%A6%AB%E0%A6%BE%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%9F%E0%A6%BF%E0%A6%95%E0%A7%87_%E0%A6%9A%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A7%87%E0%A6%9E%E0%A7%8D%E0%A6%9C%E0%A6%BF%E0%A6%82_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%8B%E0%A6%B2%E0%A7%87%E0%A5%A4_%E0%A6%89%E0%A6%A6%E0%A6%BE%E0%A6%B9%E0%A6%B0%E0%A6%A3%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%B0%E0%A7%82%E0%A6%AA_API_5CT_C95_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%8F%E0%A6%AE%E0%A6%A8_%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%A1%E0%A6%BF%E0%A6%9C%E0%A6%BE%E0%A6%87%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%9B%E0%A7%87_%E0%A6%AF%E0%A7%87%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%87_%E0%A6%AE%E0%A6%BE%E0%A6%9D%E0%A6%BE%E0%A6%B0%E0%A6%BF_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%A5%E0%A7%87_%E0%A6%86%E0%A6%AA%E0%A6%B8_%E0%A6%A8%E0%A6%BE_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%B8%E0%A6%BE%E0%A6%B6%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%80_%E0%A6%B8%E0%A6%AE%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%A8_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A6%E0%A6%BE%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A5%A4_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%9F%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%97%E0%A6%A4_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A7%87%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%B0_%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_OCTG_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF%E0%A5%A4_%E0%A6%AA%E0%A7%81%E0%A6%99%E0%A7%8D%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%81%E0%A6%AA%E0%A7%81%E0%A6%99%E0%A7%8D%E0%A6%96_%E0%A6%AE%E0%A7%82%E0%A6%B2%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BE%E0%A6%B2%E0%A6%A8%E0%A6%BE_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC-%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%95%E0%A6%BF%E0%A6%A4_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%A5%E0%A7%87_%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%95%E0%A6%BF%E0%A6%A4_%E0%A6%9D%E0%A7%81%E0%A6%81%E0%A6%95%E0%A6%BF%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B6%E0%A6%AE%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%B8%E0%A6%BE%E0%A6%B9%E0%A6%BE%E0%A6%AF%E0%A7%8D%E0%A6%AF_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A6%BE%E0%A6%AA%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A4%E0%A6%BE_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A7%B7_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%93_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%B6%E0%A6%BF%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87_%E0%A6%8F%E0%A6%87_%E0%A6%85%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%BE%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%AE%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE%E0%A5%A4_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%B0%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A7%80%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A7%81_%E0%A6%AC%E0%A6%BE%E0%A6%A1%E0%A6%BC%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%8F%E0%A6%AE%E0%A6%A8_%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A4_%E0%A6%B8%E0%A6%BF%E0%A6%A6%E0%A7%8D%E0%A6%A7%E0%A6%BE%E0%A6%A8%E0%A7%8D%E0%A6%A4_%E0%A6%A8%E0%A7%87%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF_%E0%A6%AC%E0%A7%8B%E0%A6%9D%E0%A6%BE_%E0%A6%85%E0%A6%A4%E0%A7%8D%E0%A6%AF%E0%A6%A8%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%81%E0%A6%B0%E0%A7%81%E0%A6%A4%E0%A7%8D%E0%A6%AC%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8%E0%A7%80%E0%A6%AF%E0%A6%BC%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%B0_%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%B8%E0%A6%A0%E0%A6%BF%E0%A6%95_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%9F%E0%A6%B0%E0%A6%B0%E0%A6%BE_OCTG_%E0%A6%AA%E0%A6%A3%E0%A7%8D%E0%A6%AF%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE_%E0%A6%85%E0%A6%AA%E0%A7%8D%E0%A6%9F%E0%A6%BF%E0%A6%AE%E0%A6%BE%E0%A6%87%E0%A6%9C_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%93_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%95%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%AB%E0%A6%B2%E0%A7%8D%E0%A6%AF_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A5%A4\" title=\"OCTG \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7, \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09b8\u09b9\u09cd\u09af \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964 \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u09af\u09be \u09a4\u09be\u09a6\u09c7\u09b0 \u0995\u09a0\u09cb\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7 \u09af\u09c7\u09ae\u09a8 \u0985\u09ab\u09b6\u09cb\u09b0 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u09ac\u09be \u0989\u099a\u09cd\u099a \u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09b0 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u09b8\u09be\u09b2\u09ab\u09be\u0987\u09a1 \u09ac\u09be \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987 \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \u09b8\u09b9 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af\u0964\n\u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09b9\u09b2 api 5ct l80 \u0997\u09cd\u09b0\u09c7\u09a1 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09ae\u09be\u099d\u09be\u09b0\u09bf \u09a5\u09c7\u0995\u09c7 \u0989\u099a\u09cd\u099a \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09be\u09aa\u0995\u09ad\u09be\u09ac\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u0995\u09be\u09b0\u09a3 \u098f\u09b0 \u09ae\u09bf\u09b6\u09cd\u09b0 \u0989\u09aa\u09be\u09a6\u09be\u09a8 \u09af\u09be \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u098f\u099c\u09c7\u09a8\u09cd\u099f\u09a6\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc\u0964 L80 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a4\u09be\u09b0 \u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09bf\u09a4\u09cd\u09ac \u098f\u09ac\u0982 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4, \u098f\u099f\u09bf \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u09ac\u09bf\u09b8\u09cd\u09a4\u09c3\u09a4 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u099c\u09a8\u09aa\u09cd\u09b0\u09bf\u09af\u09bc \u09aa\u099b\u09a8\u09cd\u09a6 \u0995\u09b0\u09c7 \u09a4\u09c1\u09b2\u09c7\u099b\u09c7\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0\u0964 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09aa\u09cd\u09b0\u09be\u09af\u09bc\u09b6\u0987 \u09ac\u09c7\u09b6\u09bf \u099a\u09be\u09b9\u09bf\u09a6\u09be\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u0989\u099a\u09cd\u099a \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8 \u09b9\u09af\u09bc\u0964 P110 \u0997\u09cd\u09b0\u09c7\u09a1 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u09a6\u09c3\u09a2\u09bc\u09a4\u09be\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u098f\u099f\u09bf\u0995\u09c7 \u099a\u09cd\u09af\u09be\u09b2\u09c7\u099e\u09cd\u099c\u09bf\u0982 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09b8\u09cd\u09ac\u09b0\u09c2\u09aa, API 5CT C95 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u098f\u09ae\u09a8 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u09ae\u09be\u099d\u09be\u09b0\u09bf \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8, \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u0986\u09aa\u09b8 \u09a8\u09be \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09be\u09b6\u09cd\u09b0\u09af\u09bc\u09c0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be \u098f\u09ac\u0982 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u0997\u09a4 \u0995\u09be\u09b0\u09a3\u09c7\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 OCTG \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0964 \u09aa\u09c1\u0999\u09cd\u0996\u09be\u09a8\u09c1\u09aa\u09c1\u0999\u09cd\u0996 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be \u098f\u09ac\u0982 \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09be \u0995\u09cd\u09b7\u09af\u09bc-\u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u099d\u09c1\u0981\u0995\u09bf\u0997\u09c1\u09b2\u09bf\u0995\u09c7 \u09aa\u09cd\u09b0\u09b6\u09ae\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7\u09f7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u098f\u0987 \u0985\u09aa\u09b0\u09bf\u09b9\u09be\u09b0\u09cd\u09af \u0989\u09aa\u09be\u09a6\u09be\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09b8\u09be\u09ae\u0997\u09cd\u09b0\u09bf\u0995 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u0964 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u09c0\u09b0\u09cd\u0998\u09be\u09af\u09bc\u09c1 \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc \u098f\u09ae\u09a8 \u099c\u09cd\u099e\u09be\u09a4 \u09b8\u09bf\u09a6\u09cd\u09a7\u09be\u09a8\u09cd\u09a4 \u09a8\u09c7\u0993\u09af\u09bc\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u098f\u09ac\u0982 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0997\u09c1\u09b2\u09bf \u09ac\u09cb\u099d\u09be \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc\u09a4\u09be\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09b8\u09a0\u09bf\u0995 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7, \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b0\u09be OCTG \u09aa\u09a3\u09cd\u09af\u09c7\u09b0 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be \u0985\u09aa\u09cd\u099f\u09bf\u09ae\u09be\u0987\u099c \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09cd\u09b0\u0995\u09b2\u09cd\u09aa\u09c7\u09b0 \u09b8\u09be\u09ab\u09b2\u09cd\u09af \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964\">OCTG \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7, \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09b8\u09b9\u09cd\u09af \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964 \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u09af\u09be \u09a4\u09be\u09a6\u09c7\u09b0 \u0995\u09a0\u09cb\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7 \u09af\u09c7\u09ae\u09a8 \u0985\u09ab\u09b6\u09cb\u09b0 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u09ac\u09be \u0989\u099a\u09cd\u099a \u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09b0 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u09b8\u09be\u09b2\u09ab\u09be\u0987\u09a1 \u09ac\u09be \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987 \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \u09b8\u09b9 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af\u0964\n\u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09b9\u09b2 api 5ct l80 \u0997\u09cd\u09b0\u09c7\u09a1 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09ae\u09be\u099d\u09be\u09b0\u09bf \u09a5\u09c7\u0995\u09c7 \u0989\u099a\u09cd\u099a \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09be\u09aa\u0995\u09ad\u09be\u09ac\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u0995\u09be\u09b0\u09a3 \u098f\u09b0 \u09ae\u09bf\u09b6\u09cd\u09b0 \u0989\u09aa\u09be\u09a6\u09be\u09a8 \u09af\u09be \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u098f\u099c\u09c7\u09a8\u09cd\u099f\u09a6\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc\u0964 L80 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a4\u09be\u09b0 \u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09bf\u09a4\u09cd\u09ac \u098f\u09ac\u0982 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4, \u098f\u099f\u09bf \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u09ac\u09bf\u09b8\u09cd\u09a4\u09c3\u09a4 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u099c\u09a8\u09aa\u09cd\u09b0\u09bf\u09af\u09bc \u09aa\u099b\u09a8\u09cd\u09a6 \u0995\u09b0\u09c7 \u09a4\u09c1\u09b2\u09c7\u099b\u09c7\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0\u0964 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09aa\u09cd\u09b0\u09be\u09af\u09bc\u09b6\u0987 \u09ac\u09c7\u09b6\u09bf \u099a\u09be\u09b9\u09bf\u09a6\u09be\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u0989\u099a\u09cd\u099a \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8 \u09b9\u09af\u09bc\u0964 P110 \u0997\u09cd\u09b0\u09c7\u09a1 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u09a6\u09c3\u09a2\u09bc\u09a4\u09be\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u098f\u099f\u09bf\u0995\u09c7 \u099a\u09cd\u09af\u09be\u09b2\u09c7\u099e\u09cd\u099c\u09bf\u0982 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09b8\u09cd\u09ac\u09b0\u09c2\u09aa, API 5CT C95 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u098f\u09ae\u09a8 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u09ae\u09be\u099d\u09be\u09b0\u09bf \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8, \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u0986\u09aa\u09b8 \u09a8\u09be \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09be\u09b6\u09cd\u09b0\u09af\u09bc\u09c0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be \u098f\u09ac\u0982 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u0997\u09a4 \u0995\u09be\u09b0\u09a3\u09c7\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 OCTG \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0964 \u09aa\u09c1\u0999\u09cd\u0996\u09be\u09a8\u09c1\u09aa\u09c1\u0999\u09cd\u0996 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be \u098f\u09ac\u0982 \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09be \u0995\u09cd\u09b7\u09af\u09bc-\u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u099d\u09c1\u0981\u0995\u09bf\u0997\u09c1\u09b2\u09bf\u0995\u09c7 \u09aa\u09cd\u09b0\u09b6\u09ae\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7\u09f7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u098f\u0987 \u0985\u09aa\u09b0\u09bf\u09b9\u09be\u09b0\u09cd\u09af \u0989\u09aa\u09be\u09a6\u09be\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09b8\u09be\u09ae\u0997\u09cd\u09b0\u09bf\u0995 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u0964 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u09c0\u09b0\u09cd\u0998\u09be\u09af\u09bc\u09c1 \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc \u098f\u09ae\u09a8 \u099c\u09cd\u099e\u09be\u09a4 \u09b8\u09bf\u09a6\u09cd\u09a7\u09be\u09a8\u09cd\u09a4 \u09a8\u09c7\u0993\u09af\u09bc\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u098f\u09ac\u0982 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0997\u09c1\u09b2\u09bf \u09ac\u09cb\u099d\u09be \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc\u09a4\u09be\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09b8\u09a0\u09bf\u0995 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7, \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b0\u09be OCTG \u09aa\u09a3\u09cd\u09af\u09c7\u09b0 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be \u0985\u09aa\u09cd\u099f\u09bf\u09ae\u09be\u0987\u099c \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09cd\u09b0\u0995\u09b2\u09cd\u09aa\u09c7\u09b0 \u09b8\u09be\u09ab\u09b2\u09cd\u09af \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"corrosion-resistance-in-octg-casing-and-tubing-grades-wpaicgheading\"><span class=\"ez-toc-section\" id=\"OCTG_%E0%A6%95%E0%A7%87%E0%A6%B8%E0%A6%BF%E0%A6%82_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9F%E0%A6%BF%E0%A6%89%E0%A6%AC%E0%A6%BF%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7\"><\/span>OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n\u09a4\u09c7\u09b2 \u099f\u09bf\u0989\u09ac \u09b6\u09cd\u09b0\u09c7\u09b7\u09cd\u09a0 \u099a\u09c0\u09a8 \u09aa\u09be\u0987\u0995\u09be\u09b0\u09bf<\/p>\n<p>\u0985\u09ab\u09b6\u09cb\u09b0 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7 \u09ac\u09be \u099a\u09b0\u09ae \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u0989\u09a8\u09cd\u09ae\u09c1\u0995\u09cd\u09a4 \u0995\u09c2\u09aa\u0997\u09c1\u09b2\u09bf\u09a4\u09c7, <a href=\"\/tag\/api-5ct\" target=\"_blank\"><strong><a href=\"\/tag\/api-5ct-2\" target=\"_blank\"><strong><a href=\"\/tag\/api-5c\" target=\"_blank\"><strong><strong>\u00a0API<\/strong> 5c<\/strong><\/a>t<\/strong><\/a><\/strong><\/a> \u0997\u09cd\u09b0\u09c7\u09a1 13Cr-\u098f\u09b0 \u09ae\u09a4\u09cb \u09aa\u09cd\u09b0\u09bf\u09ae\u09bf\u09af\u09bc\u09be\u09ae \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf \u09aa\u09cd\u09b0\u09be\u09af\u09bc\u09b6\u0987 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc\u0964 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf \u0995\u09cd\u09b0\u09cb\u09ae\u09bf\u09af\u09bc\u09be\u09ae\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 \u09ae\u09bf\u09b6\u09cd\u09b0\u09bf\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc \u09af\u09be\u09a4\u09c7 \u0995\u09cd\u09b7\u09af\u09bc \u09a5\u09c7\u0995\u09c7 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc, \u09ac\u09bf\u09b6\u09c7\u09b7 \u0995\u09b0\u09c7 \u0989\u099a\u09cd\u099a \u0995\u09cd\u09b2\u09cb\u09b0\u09be\u0987\u09a1 \u0998\u09a8\u09a4\u09cd\u09ac\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7\u0964 \u0997\u09cd\u09b0\u09c7\u09a1 13Cr \u09aa\u09bf\u099f\u09bf\u0982 \u098f\u09ac\u0982 \u09ab\u09be\u099f\u09b2 \u0995\u09cd\u09b7\u09af\u09bc\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c0, \u098f\u099f\u09bf\u0995\u09c7 \u099a\u09cd\u09af\u09be\u09b2\u09c7\u099e\u09cd\u099c\u09bf\u0982 \u0985\u09ab\u09b6\u09cb\u09b0 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0986\u09a6\u09b0\u09cd\u09b6 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7\u0964<\/p>\n<p>\u09ac\u09c7\u09b8 \u0989\u09aa\u09be\u09a6\u09be\u09a8 \u0997\u09a0\u09a8 \u099b\u09be\u09a1\u09bc\u09be\u0993, \u0993\u09b8\u09bf\u099f\u09bf\u099c\u09bf \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u09aa\u09c3\u09b7\u09cd\u09a0\u09c7\u09b0 \u099a\u09bf\u0995\u09bf\u09a4\u09cd\u09b8\u09be \u09a4\u09be\u09a6\u09c7\u09b0 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u0995\u09c7\u0993 \u09aa\u09cd\u09b0\u09ad\u09be\u09ac\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u0987\u09aa\u09cb\u0995\u09cd\u09b8\u09bf, \u099c\u09bf\u0999\u09cd\u0995 \u09ac\u09be \u0995\u09cd\u09b0\u09cb\u09ae \u09aa\u09cd\u09b2\u09c7\u099f\u09bf\u0982 \u098f\u09b0 \u09ae\u09a4\u09cb \u0986\u09ac\u09b0\u09a3 \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09b8\u09b0\u099e\u09cd\u099c\u09be\u09ae\u09c7\u09b0 \u09aa\u09b0\u09bf\u09b7\u09c7\u09ac\u09be \u099c\u09c0\u09ac\u09a8\u0995\u09c7 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09bf\u09a4 \u0995\u09b0\u09c7, \u0995\u09cd\u09b7\u09af\u09bc \u09a5\u09c7\u0995\u09c7 \u09b8\u09c1\u09b0\u0995\u09cd\u09b7\u09be\u09b0 \u098f\u0995\u099f\u09bf \u0985\u09a4\u09bf\u09b0\u09bf\u0995\u09cd\u09a4 \u09b8\u09cd\u09a4\u09b0 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u09c7\u09ae\u09a8 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be, \u099a\u09be\u09aa, \u09a4\u09b0\u09b2 \u0997\u09a0\u09a8, \u098f\u09ac\u0982 pH \u09ae\u09be\u09a4\u09cd\u09b0\u09be, OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982\u09af\u09bc\u09c7\u09b0 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09a7\u09be\u09b0\u09a3 \u0995\u09b0\u09a4\u09c7\u0964 \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0989\u09aa\u09be\u09a6\u09be\u09a8 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09a4\u09c7 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5 \u09b9\u09b2\u09c7 \u0985\u0995\u09be\u09b2 \u0995\u09cd\u09b7\u09af\u09bc, \u09b8\u09b0\u099e\u09cd\u099c\u09be\u09ae\u09c7\u09b0 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be \u098f\u09ac\u0982 \u09ac\u09cd\u09af\u09af\u09bc\u09ac\u09b9\u09c1\u09b2 \u09ae\u09c7\u09b0\u09be\u09ae\u09a4 \u09ac\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u0995\u09c2\u09aa\u0964 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u098f\u09ac\u0982 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u09ac\u09cb\u099d\u09be\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7, \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b0\u09be \u099c\u09cd\u099e\u09be\u09a4 \u09b8\u09bf\u09a6\u09cd\u09a7\u09be\u09a8\u09cd\u09a4 \u09a8\u09bf\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09af\u09be \u09a4\u09be\u09a6\u09c7\u09b0 \u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u0995\u09b2\u09be\u09aa\u09c7\u09b0 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u098f\u09ac\u0982 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be \u0985\u09aa\u09cd\u099f\u09bf\u09ae\u09be\u0987\u099c \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u0995\u09cd\u09b7\u09af\u09bc-\u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0 \u099d\u09c1\u0981\u0995\u09bf \u0995\u09ae\u09bf\u09af\u09bc\u09c7 \u09a6\u09c7\u09af\u09bc\u0964<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2024\/07\/J55-Tubing03.jpg\" alt=\"alt-526\" class=\"wp-image-526\" id=\"i526\" \/><\/p>\n<p>&#8211; OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u098f \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0<\/p>\n<h1 id=\"discuss-the-importance-of-corrosion-resistance-in-octg-casing-and-tubing-wpaicgheading\"><span class=\"ez-toc-section\" id=\"OCTG_%E0%A6%8F%E0%A6%B0_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A7%87%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A6%B0%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A7%87%E0%A6%B8%E0%A6%BF%E0%A6%82_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9F%E0%A6%BF%E0%A6%89%E0%A6%AC%E0%A6%BF%E0%A6%82_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A6%B0%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6_%E0%A6%B8%E0%A6%B9%E0%A7%8D%E0%A6%AF_%E0%A6%95%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%A1%E0%A6%BF%E0%A6%9C%E0%A6%BE%E0%A6%87%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%9B%E0%A7%87%E0%A5%A4_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A6%BE%E0%A6%AA%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A4%E0%A6%BE_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%B8%E0%A6%AC%E0%A6%9A%E0%A7%87%E0%A6%AF%E0%A6%BC%E0%A7%87_%E0%A6%97%E0%A7%81%E0%A6%B0%E0%A7%81%E0%A6%A4%E0%A7%8D%E0%A6%AC%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A5%A4_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%B0_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF_%E0%A6%B8%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A6%A4_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%B0_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%85%E0%A6%AB%E0%A6%BE%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%AF%E0%A6%BE_%E0%A6%A4%E0%A6%BE%E0%A6%A6%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A6%A0%E0%A7%8B%E0%A6%B0_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%8B%E0%A6%B2%E0%A7%87_%E0%A6%AF%E0%A7%87%E0%A6%AE%E0%A6%A8_%E0%A6%85%E0%A6%AB%E0%A6%B6%E0%A7%8B%E0%A6%B0_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%AC%E0%A6%BE_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%AE%E0%A6%BE%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%B0_%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%9C%E0%A7%87%E0%A6%A8_%E0%A6%B8%E0%A6%BE%E0%A6%B2%E0%A6%AB%E0%A6%BE%E0%A6%87%E0%A6%A1_%E0%A6%AC%E0%A6%BE_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%A8_%E0%A6%A1%E0%A6%BE%E0%A6%87_%E0%A6%85%E0%A6%95%E0%A7%8D%E0%A6%B8%E0%A6%BE%E0%A6%87%E0%A6%A1_%E0%A6%B8%E0%A6%B9_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%B8%E0%A6%AC%E0%A6%9A%E0%A7%87%E0%A6%AF%E0%A6%BC%E0%A7%87_%E0%A6%B8%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%A3_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%B9%E0%A6%B2_api_5ct_l80_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%8F%E0%A6%87_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%AE%E0%A6%BE%E0%A6%9D%E0%A6%BE%E0%A6%B0%E0%A6%BF_%E0%A6%A5%E0%A7%87%E0%A6%95%E0%A7%87_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A6%95%E0%A6%AD%E0%A6%BE%E0%A6%AC%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4_%E0%A6%B9%E0%A6%AF%E0%A6%BC_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A6%A3_%E0%A6%8F%E0%A6%B0_%E0%A6%AE%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%BE%E0%A6%A8_%E0%A6%AF%E0%A6%BE_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80_%E0%A6%8F%E0%A6%9C%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%9F%E0%A6%A6%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE_%E0%A6%AC%E0%A6%BE%E0%A6%A1%E0%A6%BC%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A5%A4_L80_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%AC_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%B0%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%8F%E0%A6%9F%E0%A6%BF_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%B6%E0%A6%BF%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%B8%E0%A7%8D%E0%A6%A4%E0%A7%83%E0%A6%A4_%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%9C%E0%A6%A8%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC_%E0%A6%AA%E0%A6%9B%E0%A6%A8%E0%A7%8D%E0%A6%A6_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%81%E0%A6%B2%E0%A7%87%E0%A6%9B%E0%A7%87%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0%E0%A5%A4_%E0%A6%8F%E0%A6%87_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%B6%E0%A6%87_%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%BF_%E0%A6%9A%E0%A6%BE%E0%A6%B9%E0%A6%BF%E0%A6%A6%E0%A6%BE%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A7%87_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4_%E0%A6%B9%E0%A6%AF%E0%A6%BC_%E0%A6%AF%E0%A7%87%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%87_%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A5%A4_P110_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A7%83%E0%A6%A2%E0%A6%BC%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%AD%E0%A6%BE%E0%A6%B0%E0%A6%B8%E0%A6%BE%E0%A6%AE%E0%A7%8D%E0%A6%AF_%E0%A6%85%E0%A6%AB%E0%A6%BE%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%9F%E0%A6%BF%E0%A6%95%E0%A7%87_%E0%A6%9A%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A7%87%E0%A6%9E%E0%A7%8D%E0%A6%9C%E0%A6%BF%E0%A6%82_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%A4%E0%A7%8B%E0%A6%B2%E0%A7%87%E0%A5%A4_%E0%A6%89%E0%A6%A6%E0%A6%BE%E0%A6%B9%E0%A6%B0%E0%A6%A3%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%B0%E0%A7%82%E0%A6%AA_API_5CT_C95_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A6%9F%E0%A6%BF_%E0%A6%8F%E0%A6%AE%E0%A6%A8_%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%A1%E0%A6%BF%E0%A6%9C%E0%A6%BE%E0%A6%87%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%B9%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%9B%E0%A7%87_%E0%A6%AF%E0%A7%87%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%87_%E0%A6%AE%E0%A6%BE%E0%A6%9D%E0%A6%BE%E0%A6%B0%E0%A6%BF_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%A5%E0%A7%87_%E0%A6%86%E0%A6%AA%E0%A6%B8_%E0%A6%A8%E0%A6%BE_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF_%E0%A6%B8%E0%A6%BE%E0%A6%B6%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%80_%E0%A6%B8%E0%A6%AE%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%A8_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A6%E0%A6%BE%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A5%A4_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%9F%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%97%E0%A6%A4_%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A7%87%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%B0_%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_OCTG_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF%E0%A5%A4_%E0%A6%AA%E0%A7%81%E0%A6%99%E0%A7%8D%E0%A6%96%E0%A6%BE%E0%A6%A8%E0%A7%81%E0%A6%AA%E0%A7%81%E0%A6%99%E0%A7%8D%E0%A6%96_%E0%A6%AE%E0%A7%82%E0%A6%B2%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8_%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%9A%E0%A6%BE%E0%A6%B2%E0%A6%A8%E0%A6%BE_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%89%E0%A6%AA%E0%A6%AF%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A6%BE_%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AF%E0%A6%BC-%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%95%E0%A6%BF%E0%A6%A4_%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%A5%E0%A7%87_%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%95%E0%A6%BF%E0%A6%A4_%E0%A6%9D%E0%A7%81%E0%A6%81%E0%A6%95%E0%A6%BF%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A7%87_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B6%E0%A6%AE%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%B8%E0%A6%BE%E0%A6%B9%E0%A6%BE%E0%A6%AF%E0%A7%8D%E0%A6%AF_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A6%BE%E0%A6%AA%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A4%E0%A6%BE_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A7%B7_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%93_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%B6%E0%A6%BF%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87_%E0%A6%8F%E0%A6%87_%E0%A6%85%E0%A6%AA%E0%A6%B0%E0%A6%BF%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AF_%E0%A6%89%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%BE%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%AE%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE%E0%A5%A4_%E0%A6%A1%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%82_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8%E0%A7%87%E0%A6%B0_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%B0%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%A4%E0%A6%BE_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A6%E0%A7%80%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A7%81_%E0%A6%AC%E0%A6%BE%E0%A6%A1%E0%A6%BC%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%8F%E0%A6%AE%E0%A6%A8_%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A4_%E0%A6%B8%E0%A6%BF%E0%A6%A6%E0%A7%8D%E0%A6%A7%E0%A6%BE%E0%A6%A8%E0%A7%8D%E0%A6%A4_%E0%A6%A8%E0%A7%87%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A8_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1%E0%A7%87%E0%A6%B0_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%AC%E0%A7%88%E0%A6%B6%E0%A6%BF%E0%A6%B7%E0%A7%8D%E0%A6%9F%E0%A7%8D%E0%A6%AF%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A6%BF_%E0%A6%AC%E0%A7%8B%E0%A6%9D%E0%A6%BE_%E0%A6%85%E0%A6%A4%E0%A7%8D%E0%A6%AF%E0%A6%A8%E0%A7%8D%E0%A6%A4_%E0%A6%97%E0%A7%81%E0%A6%B0%E0%A7%81%E0%A6%A4%E0%A7%8D%E0%A6%AC%E0%A6%AA%E0%A7%82%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A5%A4_%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%BE_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8B%E0%A6%A7%E0%A7%87%E0%A6%B0_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AF%E0%A6%BC%E0%A7%8B%E0%A6%9C%E0%A6%A8%E0%A7%80%E0%A6%AF%E0%A6%BC%E0%A6%A4%E0%A6%BE%E0%A6%B0_%E0%A6%89%E0%A6%AA%E0%A6%B0_%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%B8%E0%A6%A0%E0%A6%BF%E0%A6%95_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A1_%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%9A%E0%A6%A8_%E0%A6%95%E0%A6%B0%E0%A7%87_%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%9F%E0%A6%B0%E0%A6%B0%E0%A6%BE_OCTG_%E0%A6%AA%E0%A6%A3%E0%A7%8D%E0%A6%AF%E0%A7%87%E0%A6%B0_%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%AE%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%AE%E0%A6%A4%E0%A6%BE_%E0%A6%85%E0%A6%AA%E0%A7%8D%E0%A6%9F%E0%A6%BF%E0%A6%AE%E0%A6%BE%E0%A6%87%E0%A6%9C_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87_%E0%A6%8F%E0%A6%AC%E0%A6%82_%E0%A6%A4%E0%A7%87%E0%A6%B2_%E0%A6%93_%E0%A6%97%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B8_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%95%E0%A6%B2%E0%A7%8D%E0%A6%AA%E0%A7%87%E0%A6%B0_%E0%A6%B8%E0%A6%BE%E0%A6%AB%E0%A6%B2%E0%A7%8D%E0%A6%AF_%E0%A6%A8%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%9A%E0%A6%BF%E0%A6%A4_%E0%A6%95%E0%A6%B0%E0%A6%A4%E0%A7%87_%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A5%A4\"><\/span>OCTG \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7, \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09b8\u09b9\u09cd\u09af \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964 \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u0989\u099a\u09cd\u099a\u09a4\u09b0 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u09af\u09be \u09a4\u09be\u09a6\u09c7\u09b0 \u0995\u09a0\u09cb\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7 \u09af\u09c7\u09ae\u09a8 \u0985\u09ab\u09b6\u09cb\u09b0 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u09ac\u09be \u0989\u099a\u09cd\u099a \u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09b0 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u09b8\u09be\u09b2\u09ab\u09be\u0987\u09a1 \u09ac\u09be \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987 \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \u09b8\u09b9 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af\u0964<\/p>\n<p>\u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u09a1\u0997\u09c1\u09b2\u09bf\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09b9\u09b2 <a href=\"\/tag\/api-5ct-l80\" target=\"_blank\"><strong>api 5ct <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>l80<\/strong><\/a><\/strong><\/a><\/strong><\/a> \u0997\u09cd\u09b0\u09c7\u09a1 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09ae\u09be\u099d\u09be\u09b0\u09bf \u09a5\u09c7\u0995\u09c7 \u0989\u099a\u09cd\u099a \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09be\u09aa\u0995\u09ad\u09be\u09ac\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u0995\u09be\u09b0\u09a3 \u098f\u09b0 \u09ae\u09bf\u09b6\u09cd\u09b0 \u0989\u09aa\u09be\u09a6\u09be\u09a8 \u09af\u09be \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u098f\u099c\u09c7\u09a8\u09cd\u099f\u09a6\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7 \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc\u0964 L80 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a4\u09be\u09b0 \u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09bf\u09a4\u09cd\u09ac \u098f\u09ac\u0982 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09bf\u099a\u09bf\u09a4, \u098f\u099f\u09bf \u09a4\u09c7\u09b2 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u09ac\u09bf\u09b8\u09cd\u09a4\u09c3\u09a4 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u099c\u09a8\u09aa\u09cd\u09b0\u09bf\u09af\u09bc \u09aa\u099b\u09a8\u09cd\u09a6 \u0995\u09b0\u09c7 \u09a4\u09c1\u09b2\u09c7\u099b\u09c7\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0\u0964 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u09aa\u09cd\u09b0\u09be\u09af\u09bc\u09b6\u0987 \u09ac\u09c7\u09b6\u09bf \u099a\u09be\u09b9\u09bf\u09a6\u09be\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u0989\u099a\u09cd\u099a \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8 \u09b9\u09af\u09bc\u0964 <a href=\"\/tag\/p110\" target=\"_blank\"><strong>P110<\/strong><\/a> \u0997\u09cd\u09b0\u09c7\u09a1 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u09a6\u09c3\u09a2\u09bc\u09a4\u09be\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af \u0985\u09ab\u09be\u09b0 \u0995\u09b0\u09c7, \u098f\u099f\u09bf\u0995\u09c7 \u099a\u09cd\u09af\u09be\u09b2\u09c7\u099e\u09cd\u099c\u09bf\u0982 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0995\u09b0\u09c7 \u09a4\u09cb\u09b2\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09b8\u09cd\u09ac\u09b0\u09c2\u09aa, API 5CT C95 \u0997\u09cd\u09b0\u09c7\u09a1\u099f\u09bf \u098f\u09ae\u09a8 \u0985\u09cd\u09af\u09be\u09aa\u09cd\u09b2\u09bf\u0995\u09c7\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a1\u09bf\u099c\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u09ae\u09be\u099d\u09be\u09b0\u09bf \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8, \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u0986\u09aa\u09b8 \u09a8\u09be \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09be\u09b6\u09cd\u09b0\u09af\u09bc\u09c0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7\u0964 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u0985\u09ac\u09b8\u09cd\u09a5\u09be \u098f\u09ac\u0982 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u0997\u09a4 \u0995\u09be\u09b0\u09a3\u09c7\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 OCTG \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0964 \u09aa\u09c1\u0999\u09cd\u0996\u09be\u09a8\u09c1\u09aa\u09c1\u0999\u09cd\u0996 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8 \u09aa\u09b0\u09bf\u099a\u09be\u09b2\u09a8\u09be \u0995\u09b0\u09be \u098f\u09ac\u0982 \u0989\u09aa\u09af\u09c1\u0995\u09cd\u09a4 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09be \u0995\u09cd\u09b7\u09af\u09bc-\u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09ac\u09cd\u09af\u09b0\u09cd\u09a5\u09a4\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u099d\u09c1\u0981\u0995\u09bf\u0997\u09c1\u09b2\u09bf\u0995\u09c7 \u09aa\u09cd\u09b0\u09b6\u09ae\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09a8\u09bf\u09b0\u09be\u09aa\u09a4\u09cd\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u0995\u09cd\u09b7\u09a4\u09be \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09c7\u09f7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09b6\u09bf\u09b2\u09cd\u09aa\u09c7 \u098f\u0987 \u0985\u09aa\u09b0\u09bf\u09b9\u09be\u09b0\u09cd\u09af \u0989\u09aa\u09be\u09a6\u09be\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u09b8\u09be\u09ae\u0997\u09cd\u09b0\u09bf\u0995 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be\u0964 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09af\u09cb\u0997\u09cd\u09af\u09a4\u09be \u098f\u09ac\u0982 \u09a6\u09c0\u09b0\u09cd\u0998\u09be\u09af\u09bc\u09c1 \u09ac\u09be\u09a1\u09bc\u09be\u09af\u09bc \u098f\u09ae\u09a8 \u099c\u09cd\u099e\u09be\u09a4 \u09b8\u09bf\u09a6\u09cd\u09a7\u09be\u09a8\u09cd\u09a4 \u09a8\u09c7\u0993\u09af\u09bc\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7\u09b0 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u098f\u09ac\u0982 \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u0997\u09c1\u09b2\u09bf \u09ac\u09cb\u099d\u09be \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7\u09c7\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc\u09a4\u09be\u09b0 \u0989\u09aa\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09b8\u09a0\u09bf\u0995 \u0997\u09cd\u09b0\u09c7\u09a1 \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7, \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u09b0\u09be OCTG \u09aa\u09a3\u09cd\u09af\u09c7\u09b0 \u0995\u09b0\u09cd\u09ae\u0995\u09cd\u09b7\u09ae\u09a4\u09be \u0985\u09aa\u09cd\u099f\u09bf\u09ae\u09be\u0987\u099c \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u098f\u09ac\u0982 \u09a4\u09c7\u09b2 \u0993 \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09cd\u09b0\u0995\u09b2\u09cd\u09aa\u09c7\u09b0 \u09b8\u09be\u09ab\u09b2\u09cd\u09af \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nOCTG, or <a href=\"\/tag\/oil-country-tubular-goods\" target=\"_blank\"><strong><a href=\"\/tag\/oil-country-tubular\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong><a href=\"\/tag\/oil-4\" target=\"_blank\"><strong>Oil<\/strong><\/a><\/strong><\/a> country tubular<\/strong><\/a> <a href=\"\/tag\/good\" target=\"_blank\"><strong>good<\/strong><\/a>s<\/strong><\/a>, play a crucial role in the <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong>Oil and <a href=\"\/tag\/gas\" target=\"_blank\"><strong><a href=\"\/tag\/gas-4\" target=\"_blank\"><strong>Gas<\/strong><\/a><\/strong><\/a><\/strong><\/a> industry, serving as the primary <a href=\"\/tag\/material\" target=\"_blank\"><strong>Material<\/strong><\/a>s used in drilling and extraction operations. Among the various factors that determine the quality and performance of <a href=\"\/tag\/octg-products\" target=\"_blank\"><strong>octg products<\/strong><\/a>, <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a> stands out as a critical consideration. Corrosion can significantly impact the integrity and longevity of <a href=\"\/tag\/casing-and-tubing\" target=\"_blank\"><strong><a href=\"\/tag\/casing\" target=\"_blank\"><strong><a href=\"\/tag\/casing-2\" target=\"_blank\"><strong>Casing<\/strong><\/a><\/strong><\/a> and <a href=\"\/tag\/tubing\" target=\"_blank\"><strong><a href=\"\/tag\/tubing-4\" target=\"_blank\"><strong>Tubing<\/strong><\/a><\/strong><\/a><\/strong><\/a>, making it essential to understand the <a href=\"\/tag\/grade\" target=\"_blank\"><strong>grade<\/strong><\/a>s available and their corrosion-resistant properties.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing pipe,casing well pipe, casing supreme pipe, casing vs carrier pipe, casing for ac pipe\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/RgtSadMgefE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>In the realm of OCTG, different grades of casing and tubing are designed to withstand varying levels of corrosive environments. The selection of the appropriate grade is paramount to ensure the <a href=\"\/tag\/safety\" target=\"_blank\"><strong>safety<\/strong><\/a> and efficiency of oil and gas operations. <a href=\"\/tag\/high\" target=\"_blank\"><strong>high<\/strong><\/a>er grades typically offer superior corrosion resistance, making them suitable for harsher conditions such as offshore drilling or environments with high levels of hydrogen sulfide or carbon dioxide.<\/p>\n<p>One of the most common grades known for its corrosion resistance is the API 5CT L80 grade. This grade is widely used in moderate to high corrosion environments due to its alloying elements that enhance its resistance to corrosive agents. The L80 grade is known for its durability and reliability, making it a popular choice for a wide range of applications in the oil and gas industry.<\/p>\n<p>In contrast, the <a href=\"\/tag\/api-5ct-p110\" target=\"_blank\"><strong>api 5ct p110<\/strong><\/a> grade is another popular choice known for its <a href=\"\/tag\/high-strength\" target=\"_blank\"><strong>High strength<\/strong><\/a> and good corrosion resistance. This grade is often used in more demanding environments where higher strength and resistance to corrosion are required. The P110 grade offers a balance between strength and toughness, making it suitable for challenging drilling conditions.<\/p>\n<p>Beyond the L80 and P110 grades, there are other specialized grades available that cater to specific corrosion resistance requirements. For example, the API 5CT C95 grade is designed for applications where moderate corrosion resistance is needed, offering a cost-effective solution without compromising on performance.<\/p>\n<p>It is essential for operators and engineers in the oil and gas industry to carefully evaluate the corrosion resistance properties of different OCTG grades based on the specific operating conditions and environmental factors. Conducting thorough assessments and selecting the appropriate grade can help mitigate the risks associated with corrosion-related failures, ensuring the safety and efficiency of <a href=\"\/tag\/drilling-operations\" target=\"_blank\"><strong>drilling operations<\/strong><\/a>.<\/p>\n<p>In conclusion, the grades of <a href=\"\/tag\/octg-casing-and-tubing\" target=\"_blank\"><strong><a href=\"\/tag\/octg-casing\" target=\"_blank\"><strong>octg casing<\/strong><\/a> and tubing<\/strong><\/a> play a vital role in determining the corrosion resistance and overall performance of these essential components in the oil and gas industry. Understanding the characteristics and properties of different grades is crucial for making informed decisions that enhance the reliability and longevity of drilling operations. By selecting the right grade based on corrosion resistance requirements, operators can optimize the performance of OCTG products and ensure the success of oil and gas projects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OCTG \u0995\u09c7\u09b8\u09bf\u0982 \u098f\u09ac\u0982 \u099f\u09bf\u0989\u09ac\u09bf\u0982 \u0997\u09cd\u09b0\u09c7\u09a1\u09c7 \u099c\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b0\u09cb\u09a7: \u09a4\u09c7\u09b2 \u099f\u09bf\u0989\u09ac \u09b6\u09cd\u09b0\u09c7\u09b7\u09cd\u09a0 \u099a\u09c0\u09a8 \u09aa\u09be\u0987\u0995\u09be\u09b0\u09bf \u0985\u09ab\u09b6\u09cb\u09b0 \u09a1\u09cd\u09b0\u09bf\u09b2\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u09b6\u09a8\u09c7 \u09ac\u09be \u099a\u09b0\u09ae \u0995\u09cd\u09b7\u09af\u09bc\u0995\u09be\u09b0\u09c0 \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6\u09c7 \u0989\u09a8\u09cd\u09ae\u09c1\u0995\u09cd\u09a4 \u0995\u09c2\u09aa\u0997\u09c1\u09b2\u09bf\u09a4\u09c7, \u00a0<strong>\u00a0API<\/strong>&#8230;<\/p>\n","protected":false},"author":1,"featured_media":18067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[230,321,771,2173,187,190,721,188,198,728,195,701,736,818,2198,2195,184,704,222,212],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"bn","enabled_languages":["en","zh","es","hi","ar","bn","pt","ms","de","id","ru","ja","fr","it","ko","tr","sw"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"bn":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ms":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"sw":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/posts\/18066"}],"collection":[{"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/comments?post=18066"}],"version-history":[{"count":18,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/posts\/18066\/revisions"}],"predecessor-version":[{"id":18881,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/posts\/18066\/revisions\/18881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/media\/18067"}],"wp:attachment":[{"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/media?parent=18066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/categories?post=18066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.casingtube.com\/bn\/wp-json\/wp\/v2\/tags?post=18066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}