{"id":7831,"date":"2024-01-30T14:29:01","date_gmt":"2024-01-30T06:29:01","guid":{"rendered":"https:\/\/www.casingtube.com\/?p=7831"},"modified":"2024-01-30T14:29:01","modified_gmt":"2024-01-30T06:29:01","slug":"oil-field-pipe-api-5ct-seamless-steel","status":"publish","type":"post","link":"https:\/\/www.casingtube.com\/it\/oil-field-pipe-api-5ct-seamless-steel\/","title":{"rendered":"Oil Field Pipe API 5CT Seamless Steel Coupled Casing J55\/K55\/N80\/P110"},"content":{"rendered":"

The Importance of \u00a0API<\/strong> 5c<\/strong><\/a>t<\/strong><\/a><\/strong><\/a> Seamless Steel<\/strong><\/a><\/strong><\/a> Coupled Casing<\/strong><\/a><\/strong><\/a> in Oil<\/strong><\/a><\/strong><\/a> Field Pipe<\/strong><\/a><\/strong><\/a><\/h1>The Oil and Gas<\/strong><\/a><\/strong><\/a><\/strong><\/a> industry is a vital sector that plays a crucial role in powering the world’s economy. Within this industry, the extraction and transportation of oil are of utmost importance. One essential component in this process<\/strong><\/a> is the API 5CT seamless steel coupled casing.\n
Tensile and Hardness Requirements<\/strong><\/strong><\/td><\/tr>
grade<\/strong><\/a><\/strong><\/strong><\/td> <\/strong><\/td> <\/strong><\/td>Yield Strength MPa<\/strong><\/strong><\/td>Tensile <\/strong>Strength<\/strong><\/strong><\/td>Hardness <\/strong>a,c<\/strong><\/td>Specified Wall thickness<\/strong><\/a><\/strong><\/strong><\/td>Allowable Hardness <\/strong>Variation <\/strong>b<\/strong><\/td><\/tr>
 <\/strong><\/td>Type<\/strong><\/strong><\/td>Total Elongation Under Load<\/strong><\/strong><\/td> <\/strong><\/td>min MPa<\/strong><\/strong><\/td>max<\/strong><\/strong><\/td> <\/strong><\/td> <\/strong><\/td><\/tr>
 <\/strong><\/td> <\/td> <\/td>min<\/strong><\/strong><\/td>max<\/strong><\/strong><\/td> <\/td>HRC<\/strong><\/strong><\/td>HBW<\/strong><\/strong><\/td>mm<\/strong><\/strong><\/td>HRC<\/strong><\/strong><\/td><\/tr>
1<\/strong><\/strong><\/td>2<\/strong><\/strong><\/td>3<\/strong><\/strong><\/td>4<\/strong><\/strong><\/td>5<\/strong><\/strong><\/td>6<\/strong><\/strong><\/td>7<\/strong><\/strong><\/td>8<\/strong><\/strong><\/td>9<\/strong><\/strong><\/td>10<\/strong><\/strong><\/td><\/tr>
H40<\/td>\u2014<\/td>0.5<\/td>276<\/td>552<\/td>414<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
J55<\/strong><\/a><\/td>\u2014<\/td>0.5<\/td>379<\/td>552<\/td>517<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
K55<\/strong><\/a><\/td>\u2014<\/td>0.5<\/td>379<\/td>552<\/td>655<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
N80<\/strong><\/a><\/td>1<\/td>0.5<\/td>552<\/td>758<\/td>689<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
N80<\/td>Q<\/td>0.5<\/td>552<\/td>758<\/td>689<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
R95<\/td>\u2014<\/td>0.5<\/td>655<\/td>758<\/td>724<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
l80<\/strong><\/a><\/strong><\/a> L80<\/td>1<\/td>0.5<\/td>552<\/td>655<\/td>655<\/td>23<\/td>241<\/td>\u2014<\/td>\u2014<\/td><\/tr>
L80<\/td>9Cr 13Cr<\/td>0.5<\/td>552<\/td>655<\/td>655<\/td>23<\/td>241<\/td>\u2014<\/td>\u2014<\/td><\/tr>
 <\/td> <\/td>0.5<\/td>552<\/td>655<\/td>655<\/td>23<\/td>241<\/td>\u2014<\/td>\u2014<\/td><\/tr>
C90<\/strong><\/a><\/td>1<\/td>0.5<\/td>621<\/td>724<\/td>689<\/td>25.4<\/td>255<\/td>\u00a312.70<\/td>3<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>12.71 to 19.04<\/td>4<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>19.05 to 25.39<\/td>5<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>\u00b3 25.40<\/td>6<\/td><\/tr>
T95<\/strong><\/a><\/td>1<\/td>0.5<\/td>655<\/td>758<\/td>724<\/td>25.4<\/td>255<\/td>\u00a312.70<\/td>3<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>12.71 to 19.04<\/td>4<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>19.05 to 25.39<\/td>5<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>\u00b3 25.40<\/td>6<\/td><\/tr>
C110<\/td>\u2014<\/td>0.7<\/td>758<\/td>828<\/td>793<\/td>30<\/td>286<\/td>\u00a312.70<\/td>3<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>12.71 to 19.04<\/td>4<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>19.05 to 25.39<\/td>5<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>\u00b3 25.40<\/td>6<\/td><\/tr>
P110<\/strong><\/a><\/td>\u2014<\/td>0.6<\/td>758<\/td>965<\/td>862<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
Q125<\/strong><\/a><\/td>1<\/td>0.65<\/td>862<\/td>1034<\/td>931<\/td>b<\/td>\u2014<\/td>\u00a312.70<\/td>3<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>12.71 to 19.04 19.05<\/td>4<\/td><\/tr>
 <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>5<\/td><\/tr>
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.<\/td><\/tr>
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.<\/td><\/tr>
c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.<\/td><\/tr><\/tbody><\/table><\/figure>\nPlastic Lip Gloss Tube<\/strong><\/a>API 5CT refers to the American Petroleum Institute’s specification for casing and Tubing<\/strong><\/a><\/strong><\/a><\/strong><\/a> used in the oil and gas industry. This specification sets the standards for the mechanical properties, chemical composition, and testing requirements of the casing. The seamless steel coupled casing is a type of casing that is widely used in oil field Pipes<\/strong><\/a><\/strong><\/a> due to its numerous advantages.\n\nOne of the primary advantages of API 5CT seamless steel coupled casing is its high<\/strong><\/a> strength<\/strong><\/a> and durability. The casing is subjected to extreme conditions during the drilling<\/strong><\/a> and extraction process, including high pressure, corrosive environments, and mechanical stresses. The seamless steel Construction<\/strong><\/a> ensures that the casing can withstand these harsh conditions without compromising its structural integrity. This strength and durability are crucial in ensuring the safety<\/strong><\/a> and efficiency of the oil extraction process.\n\nAnother significant advantage of API 5CT seamless steel coupled casing is its ability to provide a reliable and leak-proof Seal<\/strong><\/a>. The Coupling<\/strong><\/a> is a Thread<\/strong><\/a>ed Connection<\/strong><\/a><\/strong><\/a> that joins two sections of casing together. This connection is designed to create a tight seal<\/strong><\/a> that prevents any Leakage<\/strong><\/a> of oil or gas. The seamless construction of the casing ensures that there are no weak points or potential areas for leakage, further enhancing the reliability of the seal.\n\n
\n