Limestone Quarry Plant

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Carbon Steel Seamless Pipe API 5CT

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 Product Description

Standard: API 5CT, API 5B 
Steel Grade: J55, K55, L80, N80, C90, C95, T95, P110. 
Tubing size: 1.9"-4 1/2" 
Casing size: 4 1/2"-13 7/8" Alloy steel pipe|Carbon steel pipe|spiral steel pipe
End finish: Plain end; Non-upset threaded and coupled; External upset threaded and coupled. 
Thread: Short round thread; Long round tread; Buttress thread 
Application: Tubing is used to extracting petroleum and natural gas from a well. Casing serves as walls of a well. 

Seamless steel pipe|


 Size Tolerance

OD Tolerance WT Tolerance      length     Rang 1 Rang 2 Rang 3
D<114.3 D>=114.3      Tubing 6.10~7.32M 8.53~9.57M    
±0.79 -0.5%,+1% +/-12.50%            Casing 4.88~7.62M 7.62~10.36M 10.36~14.63M
   Carbon steel pipe
Chemical Composition (%) 
Grade C Si Mn P S Cr Ni Cu Mo V Als
J55,K55 0.34~0.39 0.20~0.35 1.25~1.5 ≤0.02 ≤0.015 ≤0.15 ≤0.20 ≤0.20     ≤0.020
N80 0.34~0.38 0.20~0.35 1.45~1.7 ≤0.02 ≤0.015 ≤0.15       0.11~0.16 ≤0.020
L80 0.15~0.22 ≤1.00 0.25~1.0 ≤0.02 ≤0.010 12.0~14.0 ≤0.20 ≤0.20     ≤0.020
P110 0.26~0.35 0.17~0.37 0.40~0.7 ≤0.02 ≤0.010 0.80~1.10 ≤0.20 ≤0.20 0.15~0.25 ≤0.08 ≤0.020
  

Mechanical propertiesGalvanized steel pipe
Grade Tensile strength(Mpa) Yield strength(Mpa) Elongation (%) Hardness
J55 ≥517 379~552 Check the table        
K55 ≥517 ≥655        
N80 ≥689 552~758        
L80 ≥655 552~655 ≤241HB
P110 ≥862 758~965        

 

 

 

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