標(biāo)準(zhǔn):
API SPEC 5L、ISO 3183, GB/T 9711
用途:
用于石油、天然氣工業(yè)中的氣、水、油輸送
機(jī)械性能:
標(biāo) 準(zhǔn)
|
鋼 級(jí) |
屈服強(qiáng)度(MPa) |
抗拉強(qiáng)度(MPa) |
延伸率(%) |
沖擊功(J) |
||
API SPEC 5L |
|
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) |
化學(xué)成分:
標(biāo) 準(zhǔn)
|
鋼 級(jí) |
C |
Mn |
P |
S |
|
Max |
Max |
Min |
Max |
Max |
||
API SPEC 5L |
PSL1 |
|||||
A25/L175 |
0.21 |
0.60 |
|
0.030 |
0.030 |
|
A25P/L175P |
0.21 |
0.60 |
0.45 |
0.080 |
0.030 |
|
A/L210 |
0.22 |
0.90 |
|
0.030 |
0.030 |
|
B/L245 |
0.28 |
1.20 |
|
0.030 |
0.030 |
|
X42/L290 |
0.28 |
1.30 |
|
0.030 |
0.030 |
|
X46/L320、X52/L360、X56/390 |
0.28 |
1.40 |
|
0.030 |
0.030 |
|
X60/L415、X65/L450、X70/L485 |
0.28 |
1.40 |
|
0.030 |
0.030 |
|
0.0PSL2 |
||||||
B/L245 |
0.24 |
1.20 |
|
0.025 |
0.015 |
|
X42/L290 |
0.24 |
1.30 |
|
0.025 |
0.015 |
|
X46/L320、X52/L360、X56/L390 |
0.24 |
1.40 |
|
0.025 |
0.015 |
|
X60/L415、X65/L450、X70/L485 |
0.24 |
1.40 |
|
0.025 |
0.015 |