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| Product grade PSL | Gade |
Minimum yield strength RTO.5 |
Minimum tensile strength Rm |
Minimum tensile strength Rto.5/Rm |
The gauge length is50mm (Or 2in) minimum Elongation Amin（%） |
| PSL1 | L245 OR B | 245 ( 35500 ) | 415 ( 60200 ) | - | API SPEC 5L |
| L 290 OR ×42 | 290 ( 42100) | 415 ( 60200 ) | - | ||
| L320 OR ×46 | 320 ( 46400) | 435 ( 63100 ) | - | ||
| L360 OR ×52 | 360 ( 52200) | 460 ( 66700 ) | - | ||
| L390 OR ×56 | 390 ( 56600 ) | 490( 71100) | - | ||
| L415 OR ×60 | 415 ( 60200) | 520 ( 75400 ) | - | ||
| L450 OR ×65 | 450 ( 65300 ) | 535 ( 77600) ) | - | ||
| L485 OR ×70 | 485 ( 70300 ) | 570 ( 82700 ) | - | ||
| PSL2 | L245N OR BN | 245-450 | 415-655 | 0.93 | API SPEC 5L |
| L290N&×42N | 290- 495 | 415-655 | 0.93 | ||
| L320N OR ×46N | 320- 525 | 435-655 | 0.93 | ||
| L360N OR ×52N | 360-530 | 460-760 | 0.93 | ||
| L390N OR ×56N | 390-545 | 490-760 | 0.93 | ||
| L415N OR ×60N | 415-565 | 520-760 | 0.93 | ||
| L450Q OR ×65Q | 450-600 | 535- 760 | 0.93 | ||
| L485Q OR ×70Q | 485-635 | 570-760 | |||
| L555Q OR ×80Q | 555-705 | 625-825 | 0.93 |
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