{"id":10739,"date":"2024-03-19T11:39:03","date_gmt":"2024-03-19T03:39:03","guid":{"rendered":"https:\/\/www.casingtube.com\/?p=10739"},"modified":"2024-03-19T15:57:31","modified_gmt":"2024-03-19T07:57:31","slug":"astm-a500-gr-b-hollow-section-rhs-shs-4x4","status":"publish","type":"post","link":"https:\/\/www.casingtube.com\/zh\/astm-a500-gr-b-hollow-section-rhs-shs-4x4\/","title":{"rendered":"ASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 Rhs Shs 4X4 \u9540\u950c\u65b9\u94a2\u7ba1"},"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\/zh\/astm-a500-gr-b-hollow-section-rhs-shs-4x4\/#%E4%BD%BF%E7%94%A8_ASTM_A500_Gr_%E7%9A%84%E5%A5%BD%E5%A4%84B_%E7%A9%BA%E5%BF%83%E6%88%AA%E9%9D%A2_RHS_SHS_4%C3%974_%E9%95%80%E9%94%8C%E6%96%B9%E9%92%A2%E7%AE%A1\" title=\"\u4f7f\u7528 ASTM A500 Gr. \u7684\u597d\u5904B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\">\u4f7f\u7528 ASTM A500 Gr. \u7684\u597d\u5904B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1<\/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\/zh\/astm-a500-gr-b-hollow-section-rhs-shs-4x4\/#ASTM_A500_Gr_%E7%9A%84%E5%BA%94%E7%94%A8B_%E7%A9%BA%E5%BF%83%E6%88%AA%E9%9D%A2_RHS_SHS_4%C3%974_%E9%95%80%E9%94%8C%E6%96%B9%E9%92%A2%E7%AE%A1\" title=\" ASTM A500 Gr. \u7684\u5e94\u7528B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\"> ASTM A500 Gr. \u7684\u5e94\u7528B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-using-astm-a500-gr-b-hollow-section-rhs-shs-4x4-galvanized-square-steel-tubing-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8_ASTM_A500_Gr_%E7%9A%84%E5%A5%BD%E5%A4%84B_%E7%A9%BA%E5%BF%83%E6%88%AA%E9%9D%A2_RHS_SHS_4%C3%974_%E9%95%80%E9%94%8C%E6%96%B9%E9%92%A2%E7%AE%A1\"><\/span>\u4f7f\u7528 <a href=\"\/tag\/astm\" target=\"_blank\"><strong>ASTM<\/strong><\/a> A500 Gr. \u7684\u597d\u5904B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u662f\u5404\u79cd\u5efa\u7b51\u548c\u5de5\u4e1a\u5e94\u7528\u7684\u70ed\u95e8\u9009\u62e9\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u5177\u6709\u4f17\u591a\u4f18\u70b9\uff0c\u4f7f\u5176\u6210\u4e3a\u8bb8\u591a\u9879\u76ee\u7684\u9996\u9009\u3002<\/p>\n<p>\u4f7f\u7528 ASTM A500 Gr \u7684\u4e3b\u8981\u4f18\u70b9\u4e4b\u4e00\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u7684\u8010\u7528\u6027\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u7531\u4f18\u8d28\u6750\u6599\u5236\u6210\uff0c\u65e8\u5728\u627f\u53d7\u6076\u52a3\u7684\u73af\u5883\u6761\u4ef6\u548c\u91cd\u8f7d\u3002\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u7528\u4e8e\u4ece\u5efa\u7b51\u65bd\u5de5\u5230\u57fa\u7840\u8bbe\u65bd\u9879\u76ee\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u800c\u4e0d\u5b58\u5728\u8150\u8680\u6216\u7ed3\u6784\u6545\u969c\u7684\u98ce\u9669\u3002<br \/>\n\u5957\u7ba1\u3001\u5957\u7ba1\u4e95\u7ba1\u3001\u5957\u7ba1\u6700\u9ad8\u7ba1\u3001\u5957\u7ba1\u4e0e\u8f93\u9001\u7ba1\u3001\u4ea4\u6d41\u5957\u7ba1\u7ba1\uff0c\u5957\u7ba1\u94a2\u7ba1\uff0c\u5957\u7ba1\u5c3a\u5bf8\uff0c\u5957\u7ba1PVC\u7ba1\u4ef7\u683c\uff0c\u5957\u7ba1\uff0c\u4e2d\u56fd\u5957\u7ba1\u4f9b\u5e94\u5546\uff0c\u5957\u7ba1\u76d6\u7ba1\uff0c\u5957\u7ba1\u94bb\u6746\uff0c\u8f93\u9001\u7ba1\uff0c\u5957\u7ba1\u5c3a\u5bf8\uff0c\u5957\u7ba1\u6cd5\u5170\uff0c\u5957\u7ba1\u5957\u7b52\uff0c\u5957\u7ba1\uff0c\u5957\u7ba1\u81c2\uff0c\u886c\u5957\u8f74\u627f\u3001\u886c\u5957\u51cf\u901f\u673a\u3001\u886c\u5957\u5de5\u5177\u3001\u886c\u5957 PVC\u3001\u886c\u5957\u542b\u4e49<br \/>\n\u9664\u4e86\u5176\u8010\u7528\u6027\u4e4b\u5916\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u4e5f\u4ee5\u5176\u5f3a\u5ea6\u800c\u95fb\u540d\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u65e8\u5728\u63d0\u4f9b\u51fa\u8272\u7684\u7ed3\u6784\u652f\u6491\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5f3a\u5ea6\u548c\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u7684\u5e94\u7528\u3002\u65e0\u8bba\u60a8\u662f\u5efa\u9020\u6865\u6881\u3001\u6469\u5929\u5927\u697c\u8fd8\u662f\u4ed3\u5e93\uff0cASTM A500 Gr. B \u4e2d\u7a7a\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u53ef\u4e3a\u60a8\u63d0\u4f9b\u786e\u4fdd\u9879\u76ee\u6210\u529f\u6240\u9700\u7684\u5f3a\u5ea6\u548c\u652f\u6491\u3002<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"oil tube wholesaler,oil tube factory,oil tube Chinese good supplier,API 5CT steel casing pipes\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/KxTxVrKbtSg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<p>\n\u53e6\u4e00\u4e2a\u597d\u5904\u4f7f\u7528 ASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u7684\u591a\u529f\u80fd\u6027\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u53ef\u4ee5\u8f7b\u677e\u5b9a\u5236\uff0c\u4ee5\u6ee1\u8db3\u60a8\u9879\u76ee\u7684\u7279\u5b9a\u8981\u6c42\u3002\u65e0\u8bba\u60a8\u9700\u8981\u4e00\u5b9a\u7684\u5c3a\u5bf8\u3001\u5f62\u72b6\u8fd8\u662f\u539a\u5ea6\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u53ef\u6839\u636e\u60a8\u7684\u9700\u6c42\u8fdb\u884c\u5b9a\u5236\u3002\u8fd9\u4f7f\u5176\u6210\u4e3a\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u7684\u7075\u6d3b\u4e14\u9002\u5e94\u6027\u5f3a\u7684\u9009\u9879\u3002<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2023\/10\/d1133d19fddd3aecca289139b64306f1.png\" alt=\"alt-787\" class=\"wp-image-787\" id=\"i787\" \/><br \/>\n\u6b64\u5916\uff0cASTM A500 Gr\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u8fd8\u4ee5\u5176\u6210\u672c\u6548\u76ca\u800c\u95fb\u540d\u3002\u5c3d\u7ba1\u5176\u8d28\u91cf\u9ad8\u4e14\u8010\u7528\uff0c\u4f46\u4e0e\u5176\u4ed6\u6750\u6599\u76f8\u6bd4\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u76f8\u5bf9\u4fbf\u5b9c\u3002\u8fd9\u610f\u5473\u7740\u60a8\u53ef\u4ee5\u83b7\u5f97 ASTM A500 Gr. \u7684\u5f3a\u5ea6\u3001\u8010\u7528\u6027\u548c\u591a\u529f\u80fd\u6027\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\uff0c\u4ef7\u683c\u5b9e\u60e0\u3002\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u9884\u7b97\u6709\u9650\u7684\u9879\u76ee\u7684\u7ecf\u6d4e\u9ad8\u6548\u7684\u9009\u62e9\u3002<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing pipe Chinese high-quality company,casing pipe Chinese good supplier,casing pipe China good,\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/E4I4Dzf38GQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<p>\n\u603b\u4e4b\uff0cASTM A500 Gr\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u5177\u6709\u5e7f\u6cdb\u7684\u4f18\u70b9\uff0c\u4f7f\u5176\u6210\u4e3a\u5efa\u7b51\u548c\u5de5\u4e1a\u5e94\u7528\u7684\u70ed\u95e8\u9009\u62e9\u3002\u4ece\u8010\u7528\u6027\u548c\u5f3a\u5ea6\u5230\u591a\u529f\u80fd\u6027\u548c\u6210\u672c\u6548\u76ca\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u53ef\u4e3a\u60a8\u7684\u9879\u76ee\u63d0\u4f9b\u6240\u9700\u7684\u652f\u6491\u548c\u53ef\u9760\u6027\u3002\u65e0\u8bba\u60a8\u662f\u5efa\u9020\u65b0\u7ed3\u6784\u8fd8\u662f\u4fee\u590d\u73b0\u6709\u7ed3\u6784\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u662f\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u9009\u62e9\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5b9e\u73b0\u76ee\u6807\u3002<\/p>\n<h1 id=\"applications-of-astm-a500-gr-b-hollow-section-rhs-shs-4x4-galvanized-square-steel-tubing-wpaicgheading\"><span class=\"ez-toc-section\" id=\"ASTM_A500_Gr_%E7%9A%84%E5%BA%94%E7%94%A8B_%E7%A9%BA%E5%BF%83%E6%88%AA%E9%9D%A2_RHS_SHS_4%C3%974_%E9%95%80%E9%94%8C%E6%96%B9%E9%92%A2%E7%AE%A1\"><\/span> ASTM A500 Gr. \u7684\u5e94\u7528B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u662f\u4e00\u79cd\u591a\u529f\u80fd\u4e14\u8010\u7528\u7684\u6750\u6599\uff0c\u53ef\u5e94\u7528\u4e8e\u5e7f\u6cdb\u7684\u884c\u4e1a\u3002\u4ece\u65bd\u5de5\u5230\u5236\u9020\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u4ee5\u5176\u5f3a\u5ea6\u3001\u8010\u7528\u6027\u548c\u8010\u8150\u8680\u6027\u800c\u95fb\u540d\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 ASTM A500 Gr \u7684\u4e00\u4e9b\u5173\u952e\u5e94\u7528\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2022\/03\/Hd73f6e7abc9540949c7f6ec39dd78549N.jpg_960x960.jpg \"> ASTM A500 Gr. \u6700\u5e38\u89c1\u7684\u5e94\u7528\u4e4b\u4e00\u3002 B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u7528\u4e8e\u5efa\u7b51\u884c\u4e1a\u3002\u7531\u4e8e\u5176\u9ad8\u5f3a\u5ea6\u548c\u8010\u7528\u6027\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u7ecf\u5e38\u7528\u4e8e\u5efa\u7b51\u7269\u3001\u6865\u6881\u548c\u5176\u4ed6\u7ed3\u6784\u7684\u5efa\u9020\u3002\u65e0\u8bba\u662f\u7528\u4f5c\u652f\u6491\u6881\u3001\u67f1\u8fd8\u662f\u6846\u67b6\uff0cASTM A500 Gr. B \u4e2d\u7a7a\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u63d0\u4f9b\u627f\u53d7\u91cd\u8f7d\u548c\u6076\u52a3\u73af\u5883\u6761\u4ef6\u6240\u9700\u7684\u7ed3\u6784\u5b8c\u6574\u6027\u3002<br \/>\n\u8c6a\u534e\u6c34\u94bb\u6cb9\u753b\u82b1\u624b\u673a\u58f3\u5168\u5305\u9632\u6454\uff0c\u9002\u7528\u4e8e iPhone15 14 13 12 11promax<br \/>\nASTM \u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u5e94\u7528A500 \u7ec4B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u7528\u4e8e\u5236\u9020\u4e1a\u3002\u7531\u4e8e\u5176\u4f18\u5f02\u7684\u673a\u68b0\u6027\u80fd\uff0c\u6b64\u7c7b\u94a2\u7ba1\u901a\u5e38\u7528\u4e8e\u5236\u9020\u673a\u68b0\u3001\u8bbe\u5907\u548c\u90e8\u4ef6\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u6c7d\u8f66\u96f6\u90e8\u4ef6\u3001\u519c\u4e1a\u8bbe\u5907\u8fd8\u662f\u5de5\u4e1a\u673a\u68b0\u7684\u751f\u4ea7\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u53ef\u63d0\u4f9b\u8981\u6c42\u82db\u523b\u7684\u5e94\u7528\u6240\u9700\u7684\u5f3a\u5ea6\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u9664\u4e86\u5728\u5efa\u7b51\u548c\u5236\u9020\u4e2d\u7684\u5e94\u7528\u4e4b\u5916\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u4e5f\u7528\u4e8e\u8fd0\u8f93\u884c\u4e1a\u3002\u7531\u4e8e\u5176\u91cd\u91cf\u8f7b\u4e14\u5f3a\u5ea6\u91cd\u91cf\u6bd4\u9ad8\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u901a\u5e38\u7528\u4e8e\u8f66\u8f86\u3001\u62d6\u8f66\u548c\u5176\u4ed6\u8fd0\u8f93\u8bbe\u5907\u7684\u5236\u9020\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u751f\u4ea7\u5361\u8f66\u8f66\u67b6\u3001\u680f\u6746\u8fd8\u662f\u5e95\u76d8\u90e8\u4ef6\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u63d0\u4f9b\u5b89\u5168\u53ef\u9760\u8fd0\u8f93\u6240\u9700\u7684\u8010\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u6b64\u5916\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u4e5f\u7528\u4e8e\u519c\u4e1a\u3002\u7531\u4e8e\u5176\u8010\u8150\u8680\u548c\u73af\u5883\u56e0\u7d20\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u901a\u5e38\u7528\u4e8e\u519c\u4e1a\u5efa\u7b51\u3001\u8bbe\u5907\u548c\u57fa\u7840\u8bbe\u65bd\u7684\u5efa\u8bbe\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u751f\u4ea7\u7cae\u4ed3\u3001\u7272\u755c\u68da\u8fd8\u662f\u704c\u6e89\u7cfb\u7edf\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u53ef\u63d0\u4f9b\u519c\u4e1a\u5e94\u7528\u6240\u9700\u7684\u8010\u7528\u6027\u548c\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cASTM A500 Gr. B \u7a7a\u5fc3\u622a\u9762 RHS SHS 4&#215;4 \u9540\u950c\u65b9\u94a2\u7ba1\u662f\u4e00\u79cd\u591a\u529f\u80fd\u4e14\u8010\u7528\u7684\u6750\u6599\uff0c\u53ef\u5728\u5e7f\u6cdb\u7684\u884c\u4e1a\u4e2d\u5f97\u5230\u5e94\u7528\u3002\u4ece\u5efa\u7b51\u5230\u5236\u9020\u3001\u8fd0\u8f93\u548c\u519c\u4e1a\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u94a2\u7ba1\u53ef\u63d0\u4f9b\u8981\u6c42\u82db\u523b\u7684\u5e94\u7528\u6240\u9700\u7684\u5f3a\u5ea6\u3001\u8010\u7528\u6027\u548c\u6027\u80fd\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u5efa\u7b51\u3001\u673a\u68b0\u3001\u8f66\u8f86\u8fd8\u662f\u519c\u4e1a\u8bbe\u5907\u7684\u5efa\u9020\uff0cASTM A500 Gr. 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