鋼 　級

屈服強度(MPa)

抗拉強度(MPa)

延伸率(%)

沖擊功(J)

API SPEC 5L
ISO 3183
GB/T 9711

PSL1

查API SPEC 5L表3

A25/L175

≥172

≥310

A/L210

≥207

≥331

B/L245

≥241

≥414

X42/L290

≥290

≥414

X46/L320

≥317

≥434

X52/L360

≥359

≥455

X56/L390

≥386

≥490

X60/L415

≥414

≥517

X65/L450

≥448

≥531

X70/L485

≥483

≥565

PSL2

Min

Max

Min

Max

Min

B/L245

241

448

441

758

41(27)

X42/L290

290

496

414

758

41(27)

X46/L320

317

524

434

758

41(27)

X52/L360

359

531

455

758

41(27)

X56/L390

386

544

490

758

41(27)

X60/L415

414

565

517

758

41(27)

X65/L450

448

600

531

758

41(27)

X70/L485

483

621

565

758

41(27)

X80/L555

552

690

621

827

101(68)

ng>鋼　　 級ng>

ng>Cng>

ng>Mnng>

ng>Png>

ng>Sng>

ng>Maxng>

ng>Maxng>

ng>Minng>

ng>Maxng>

ng>Maxng>

ng>API SPEC 5Lng>
ng>ISO 3183ng>
ng>GB/T 9711ng>

ng>PSL1ng>

ng>A25/L175ng>

ng>0.21ng>

ng>0.60ng>

ng>0.030ng>

ng>0.030ng>

A25P/L175P

ng>0.21ng>

ng>0.60ng>

ng>0.45ng>

ng>0.080ng>

ng>0.030ng>

ng>A/L210ng>

ng>0.22ng>

ng>0.90ng>

ng>0.030ng>

ng>0.030ng>

ng>B/L245ng>

ng>0.28ng>

ng>1.20ng>

ng>0.030ng>

ng>0.030ng>

ng>X42/L290ng>

ng>0.28ng>

ng>1.30ng>

ng>0.030ng>

ng>0.030ng>

ng>X46/L320、X52/L360、X56/390ng>

ng>0.28ng>

ng>1.40ng>

ng>0.030ng>

ng>0.030ng>

ng>X60/L415、X65/L450、X70/L485ng>

ng>0.28ng>

ng>1.40ng>

ng>0.030ng>

ng>0.030ng>

ng>0.0PSL2ng>

ng>B/L245ng>

ng>0.24ng>

ng>1.20ng>

ng>0.025ng>

ng>0.015ng>

ng>X42/L290ng>

ng>0.24ng>

ng>1.30ng>

ng>0.025ng>

ng>0.015ng>

ng>X46/L320、X52/L360、X56/L390ng>

ng>0.24ng>

ng>1.40ng>

ng>0.025ng>

ng>0.015ng>

ng>X60/L415、X65/L450、X70/L485ng>

ng>0.24ng>

ng>1.40ng>

ng>0.025ng>

ng>0.015ng>