large diameter seamless steel pipes
PIC-(large diameter seamless steel pipes)
large diameter seamless steel pipes
Carbon steel line pipes, the standard of API5L Chemical Composition.
Standard | Product Specification Level |
Steel grade |
Chemical composition, % | ||||||||
C | Mn | P | S | Si | V | Nb | Ti | CEpcm | |||
API 5L | PSL 1 | L210 or A | ≤ 0.22 |
≤ 0.90 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
L245 or B | ≤ 0.28 |
≤ 1.20 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
L290 or x42 | ≤ 0.28 |
≤ 1.30 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
L320 or X46 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
L360 or X52 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
L390 or X56 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
L415 or X60 | ≤ 0.28 |
≤ 1.40 |
≤ 0.030 |
≤ 0.030 |
- | - | - | - | ≤ 0.25 |
||
PSL 2 | L245Ror BR | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
c | c | ≤ 0.04 |
≤ 0.25 |
|
L290R or X42R | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.06 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
||
L245N or BN | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
c | c | ≤ 0.04 |
≤ 0.25 |
||
L290N or X42N | ≤ 0.24 |
≤ 1.20 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.06 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
||
L320N or X46N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.40 |
≤ 0.07 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
||
L360N or X52N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
||
L390N or X56N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
≤ 0.25 |
||
L415N or X60N | ≤ 0.24 |
≤ 1.40 |
≤ 0.025 |
≤ 0.015 |
≤ 0.45 |
≤ 0.10 |
≤ 0.05 |
≤ 0.04 |
Negotiation |