API Casing and Tubing

Tubing: These pipes are used for oil extraction, gas extraction, water injection, and acid fracturing. Casing: Casing is a pipe that is cemented to a drilled bore below the ground and used as a rigid wall to prevent the bore from collapsing.

PSL1 Casing and Tubing
Manufacturing Specification of API 5CT PSL1 Tubing
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
K55
10 ~ 127 1 ~ 20 6 ~ 12.0 API 5CT
PSL2
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
68 ~ 219 10 ~ 20 6 ~ 12.2
80 ~ 219 20 ~ 30 6 ~ 12.2
140 ~ 368 6 ~ 30 6 ~ 12.2
318 ~ 720 14 ~ 30 6 ~ 12.5
2 N80-1
N80Q
R95
L80-1
C90-1
T95-1
P110
Q125-1
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
68 ~ 219 10 ~ 25 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
3 L80-1
R95
P110
68 ~ 219 25 ~ 35 6 ~ 12.2
140 ~ 368 25 ~ 35 6 ~ 12.2
318 ~ 720 25 ~ 35 6 ~ 12.5
Manufacturing Specification of API 5CT PSL1 Casing
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
K55
N80-1
114.3 4 ~ 8 6 ~ 12.2 API 5CT
PSL1
114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 508 14 ~ 25 4 ~ 12.5
2 N80Q
R95
L80-1
C90-1
T95-1
C110
P110
Q125-1
114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
Manufacturing Specification of API 5CT PSL1 Coupling Blank
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
K55
N80-1
114.3 4 ~ 8 6 ~ 12.2 API 5CT
PSL2
114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 508 14 ~ 25 4 ~ 12.5
2 N80Q
R95
L80-1
C90-1
T95-1
C110
P110
Q125-1
114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
PSL2 Casing and Tubing
Manufacturing Specification of API 5CT PSL2 Tubing
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
N80-1
10 ~ 127 1 ~ 20 6 ~ 12.0 API 5CT
PSL2
42 ~ 114.3 3.5 ~ 8 6 ~ 12.2
60 ~ 114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
2 N80Q
R95
L80-1
C90-1
T95-1
P110
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
Manufacturing Specification of API 5CT PSL2 Casing
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
K55
10 ~ 127 1 ~ 20 6 ~ 12.0 API 5CT
PSL2
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
68 ~ 219 10 ~ 20 6 ~ 12.2
80 ~ 219 20 ~ 30 6 ~ 12.2
140 ~ 368 6 ~ 30 6 ~ 12.2
318 ~ 720 14 ~ 30 6 ~ 12.5
2 N80-1
N80Q
R95
L80-1
C90-1
T95-1
P110
Q125-1
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
68 ~ 219 10 ~ 25 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
3 L80-1
R95
P110
68 ~ 219 25 ~ 35 6 ~ 12.2
140 ~ 368 25 ~ 35 6 ~ 12.2
318 ~ 720 25 ~ 35 6 ~ 12.5
Manufacturing Specification of API 5CT PSL2 Coupling Blank
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
K55
N80-1
114.3 4 ~ 8 6 ~ 12.2 API 5CT
PSL2
114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 508 14 ~ 25 4 ~ 12.5
2 N80Q
R95
L80-1
C90-1
T95-1
C110
P110
Q125-1
114.3 4 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 6 ~ 12.5
PSL3 Casing and Tubing
Manufacturing Specification of API 5CT PSL3 Casing and Tubing
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length /m
1 H40
J55
N80-1
10 ~ 127 1 ~ 20 6 ~ 12.0 API 5CT PSL2
42 ~ 114.3 3.5 ~ 8 6 ~ 12.2
60 ~ 114.3 8 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
2 N80Q
R95
L80-1
C90-1
T95-1
P110
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
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