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.

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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.


●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



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