标准：
API SPEC 5L、ISO 3183, GB/T 9711
用途：
用于石油、天然气工业中的气、水、油输送
机械性能： http://www.tjswfggc.com
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标 准
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钢 级
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屈服强度(MPa)
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抗拉强度(MPa)
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延伸率(%)
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冲击功(J)
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API SPEC 5L
ISO 3183
GB/T 9711
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PSL1
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查API SPEC 5L表3
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A25/L175
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≥172
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≥310
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A/L210
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≥207
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≥331
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B/L245
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≥241
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≥414
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X42/L290
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≥290
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≥414
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X46/L320
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≥317
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≥434
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X52/L360
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≥359
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≥455
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X56/L390
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≥386
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≥490
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X60/L415
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≥414
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≥517
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X65/L450
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≥448
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≥531
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X70/L485
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≥483
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≥565
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PSL2
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|
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Min
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Max
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Min
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Max
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Min
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B/L245
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241
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448
|
441
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758
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41(27)
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X42/L290
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290
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496
|
414
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758
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41(27)
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X46/L320
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317
|
524
|
434
|
758
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41(27)
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X52/L360
|
359
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531
|
455
|
758
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41(27)
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X56/L390
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386
|
544
|
490
|
758
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41(27)
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X60/L415
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414
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565
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517
|
758
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41(27)
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X65/L450
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448
|
600
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531
|
758
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41(27)
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X70/L485
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483
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621
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565
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758
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41(27)
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X80/L555
|
552
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690
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621
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827
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101(68)
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化学成分：
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标 准
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钢 级
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C
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Mn
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P
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S
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Max
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Max
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Min
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Max
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Max
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API SPEC 5L
ISO 3183
GB/T 9711
|
PSL1
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A25/L175
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0.21
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0.60
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0.030
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0.030
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A25P/L175P
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0.21
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0.60
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0.45
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0.080
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0.030
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A/L210
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0.22
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0.90
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0.030
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0.030
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B/L245
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0.28
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1.20
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0.030
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0.030
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X42/L290
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0.28
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1.30
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0.030
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0.030
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X46/L320、X52/L360、X56/390
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0.28
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1.40
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0.030
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0.030
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X60/L415、X65/L450、X70/L485
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0.28
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1.40
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0.030
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0.030
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0.0PSL2
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B/L245
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0.24
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1.20
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0.025
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0.015
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X42/L290
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0.24
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1.30
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0.025
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0.015
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X46/L320、X52/L360、X56/L390
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0.24
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1.40
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0.025
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0.015
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X60/L415、X65/L450、X70/L485
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0.24
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1.40
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0.025
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0.015
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