Material Information
Steel Grade - API Standard
Pipe material depends on application
API Spec. |
Pipe Application |
Description |
Pipe Structure |
Material Group |
Steel Grade According to API standard |
5D |
Drilling |
Both pipe ends undergo the upsetting process. The drill bit is friction-welded to the end of the pipe. The thick pipe wall provides high distortion resistance. |
|
Group 1
|
E75 |
Group 2 |
X95, G105, S135 |
5CT
|
Casing |
Used as an outer protective covering for the pipe. Tubing pipe runs through the center, the casing protects it. Main sizes of casing pipe - Surface Casing: 13⅜ to 24”, Intermediate Casing 9 ⅝”, Production Casing 5 ½ to 7” |
|
Group 1 |
J55, K55, N80 |
Group 2 |
M65, C75, C75 9Cr & 13Cr, L80, L80SS, C90, C95, C95SS, C95 9Cr & 13Cr, C110, T95 |
Tubing |
Used in production lines, the crude or gas flows through it. Main sizes of casing pipe, from 2 ⅜ to 5 ½”. |
|
Group 3 |
P105, P110 |
Group 4 |
Q125 (types 1, 2, 3 & 4), Q125-1 |
5L |
Line |
Normally used to transport the crude or gas to the refining plant. This type of pipe is used offshore and onshore, in extreme weather conditions. They are protected by a thick coating. Main sizes of line pipe, from 2 ⅜” to 80”. |
|
PSL 1 |
A25, A, B ,X42, X46, X52, X56, X60, X65, X70 |
PSL 2 |
B, X42, X46, X52, X56, X60, X65, X70, x80 |