| Standard | Class | Grade | Min/Max | Yield strength (Mpa) |
Tensile Strength (Mpa) |
Elongation(%) | Y.S./T.S.(%) |
| API 5L | PSL1 | L245B | min | 245 | 415 | b | - |
| L290X42 | min | 290 | 415 | b | - | ||
| L320X46 | min | 320 | 435 | b | - | ||
| L360X52 | min | 360 | 460 | b | - | ||
| L390X56 | min | 390 | 490 | b | - | ||
| L415X60 | min | 415 | 520 | b | - | ||
| L450X65 | min | 450 | 535 | b | - | ||
| L485X70 | min | 485 | 570 | b | - | ||
| PSL2 | L245B | min | 245 | 415 | b | 0.93 | |
| max | 450 | 760 | b | - |