TECHNICAL PARAMETERS OF LINE PIPE
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Standard | Class | Grade | Yield strength not less than (Mpa) | Tensile stength (MPa) | Elongation (﹪) | Y.S./T.S.(﹪) | |
API 5L | PLS1 | L245B | min | 245 | 415 | b | – |
L290×42 | min | 290 | 415 | b | – | ||
L320×46 | min | 320 | 435 | b | – | ||
L360×52 | min | 360 | 460 | b | – | ||
L390×56 | min | 390 | 490 | b | – | ||
L415×60 | min | 415 | 520 | b | – | ||
L450×65 | min | 450 | 535 | b | – | ||
L485×70 | min | 485 | 570 | b | – | ||
PLS2 | L245N BN L245M BM | Min | 245 | 415 | b | – | |
Max | 450 | 760 | b | 0.93 | |||
L290N×42N L290M×42M | Min | 290 | 415 | b | – | ||
Max | 495 | 760 | b | 1.93 | |||
L320N×46N L320M×46M | Min | 320 | 435 | b | – | ||
Max | 525 | 760 | b | 2.93 | |||
L360N×52N L360M×52M | Min | 360 | 760 | b | – | ||
Max | 530 | 760 | b | 3.93 | |||
L390N×56N L390M×56M | Min | 390 | 490 | b | – | ||
Max | 545 | 760 | b | 4.93 | |||
L415N×60N L415M×60M | Min | 415 | 520 | b | – | ||
Max | 565 | 760 | b | 5.93 | |||
L450M×65M | Min | 450 | 535 | b | – | ||
Max | 600 | 760 | b | 6.93 | |||
L485M×70M | Min | 485 | 570 | b | – | ||
Max | 635 | 760 | b | 7.93 | |||
L555M×80M | Min | 555 | 625 | b | – | ||
Max | 705 | 825 | b | 8.93 | |||
L245 | Min | 245 | 415 | 21 | – | ||
L290 | Min | 290 | 415 | 21 | – | ||
L320 | Min | 320 | 435 | 20 | – | ||
L360 | Min | 360 | 460 | 19 | – | ||
L390 | Min | 390 | 490 | 18 | – | ||
L415 | Min | 415 | 520 | 17 | – | ||
L450 | Min | 450 | 535 | 17 | – | ||
L485 | Min | 485 | 570 | 16 | – | ||
L555 | Min | 555 | 625 | 15 | – | ||
Max | – | 825 | – | – | |||
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