Sizes (O.D. )]from 1" to 80"
[Standard]API SPEC 5L
[Application]It is used for conveying gas, water, and petroleum of both the oil and natural gas industries
| Standard | Tolerance on Diameter | Tolerance on Thickness | ||||
| A25, A, B | X42~X70 | |||||
| APL SPEC 5L |
D < 60.3 | +0.41/ -08.0mm | D< 73mm D ≥ 73mm | +20%/-12.5% +15%/-12.5% | D< 73mm D ≥ 73mm | +15%/-12.5% +15%/-12.5% |
| APL SPEC 5L |
D ≥ 60.3 | +0.75%/-0.75%mm | ||||
| Standard | Grade | Yield Strength(Mpa) | Tensile Strength( MPa ) | Elongation(%) | Impact Energy (J) | ||
| API SPEC 5L | PSL1 | ||||||
| ≥ | |||||||
| psi | MPa | psi | MPa | Min(%) | |||
| A25 | 25,000 | 172 | 45,000 | 310 | 28 ~ 35 | ||
| A | 30,000 | 207 | 48,000 | 331 | 26 ~ 33 | ||
| B | 35,000 | 241 | 60,000 | 414 | 21 ~ 27 | ||
| X42 | 42,000 | 290 | 60,000 | 414 | 21 ~ 27 | ||
| X46 | 46,000 | 317 | 63,000 | 434 | 20 ~ 26 | ||
| X52 | 52,000 | 359 | 66,000 | 455 | 20 ~ 24 | ||
| X56 | 56,000 | 386 | 71,000 | 490 | 18 ~ 23 | ||
| X60 | 60,000 | 414 | 75,000 | 517 | 18 ~ 22 | ||
| X65 | 65,000 | 448 | 77,000 | 531 | 17 ~ 21 | ||
| X70 | 70,000 | 483 | 82,000 | 565 | 16 ~ 20 | ||
| Standard | Grade | Yield Strength (Mpa) | Tensile Strength ( Mpa) | Elongation (%) | Impact Energy(J) | ||
| API SPEC 5L | PSL2 | ||||||
| Min | Max | Min | Max | Min | |||
| B | 241 | 448 | 414 | 758 | 21 ~ 27 | 41(27) | |
| X42 | 290 | 496 | 414 | 758 | 21 ~ 27 | 41(27) | |
| X46 | 317 | 524 | 434 | 758 | 20 ~ 26 | 41(27) | |
| X52 | 359 | 531 | 455 | 758 | 20 ~ 24 | 41(27) | |
| X56 | 385 | 544 | 490 | 758 | 18 ~ 23 | 41(27) | |
| X60 | 414 | 565 | 517 | 758 | 18 ~ 22 | 41(27) | |
| X65 | 448 | 600 | 531 | 758 | 17 ~ 21 | 41(27) | |
| X70 | 483 | 621 | 565 | 758 | 16 ~ 20 | 41(27) | |
| X80 | 552 | 690 | 621 | 827 | 15 ~ 19 | 101(68 ) | |
