Customized products

Carbon Steel Oil Casing Pipe

SPECIFICATIONS

Carbon Steel Oil Casing Pipe

The Carbon Steel Oil Casing Pipe is used to support the oil and gas well wall steel pipe, in order to ensure the drilling process and completion of the entire oil wells after the normal operation.
●Standard
API SPEC 5CT,ISO11960
Business type
Manufacture and agent
●Size
2 3/8”-20”* R-1 4.88～7.62m，R-2 7.62～10.36m，R-3 10.36m
Thread ends STC, LC, and BC.VAM etc.
●Application
Casing Tubing is used for extracting petroleum and natural gas from the well. Casing pipe serves as walls of the well.
Carbon Steel Oil Casing Pipe
●Standard
API SPEC 5CT,ISO11960
Business type
Manufacture and agent
●Size
2 3/8”-20”* R-1 4.88～7.62m，R-2 7.62～10.36m，R-3 10.36m
Thread ends STC, LC, and BC.VAM etc.
●Application
Casing Tubing is used for extracting petroleum and natural gas from the well. Casing pipe serves as walls of the well.
●Size Tolerances
Standard OD Tolerance WT Tolerance
API 5CT D≤101.6mm ±0.79mm   －12.5%
D≥114.3mm ＋1%－0.5%   －12.5%
 
 
●Mechanical properties
Standard Steel Tensile Strength(MPa) Yield strength(MPa) Elongation (%)
 Min  Max
API 5CT J55 
(37Mn5)		 517 379 552 As per table
K55
(37Mn5)		 655 379 552 As per table
N80
(36Mn2V)		 689 552 758 As per table
L80
(13Cr)		 655 552 655 As per table
P110
(30CrMo)		 862 758 965 As per table
 
●Chemical composition: (%):
Standard Steel C Si Mn P≤ S≤ Cu≤ Ni≤ Cr≤ Mo≤ V≤
API 5CT J55
(37Mn5)		 0.34-0.39 0.20-0.35 1.25-1.50 0.020 0.015 0.20 0.20 0.15 / /
K55
(37Mn5)		 0.34-0.39 0.20-0.35 1.25-1.50 0.020 0.015 0.20 0.20 0.15 / /
N80
(36Mn2V)		 0.34-0.38 0.20-0.35 1.45-1.70 0.020 0.015 0.20 0.20 0.15 / 0.11-0.16
L80
(13Cr)    		 0.15-0.22 1.00 0.25-1.00 0.020 0.010 0.20 0.20 12-14 / /
P110
(30CrMo)		 0.26-0.35 0.17-0.37 0.40-0.70 0.020 0.010 0.20 0.20 0.8-1.1 0.15-0.25 0.08