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APISPEC5L管線管標(biāo)準(zhǔn)常用材質(zhì)的化學(xué)成分,拉伸強(qiáng)度和屈服強(qiáng)度
標(biāo)準(zhǔn) |
鋼級 |
C |
Mn |
P |
|
S |
Max |
Max |
Min |
Max |
Max | ||
API SPEC 5L |
PSL1 |
| ||||
A25II |
0.21 |
0.60 |
|
0.030 |
0.030 | |
A25III |
0.21 |
0.60 |
0.45 |
0.80 |
0.030 | |
A |
0.22 |
0.90 |
|
0.030 |
0.030 | |
B |
0.28 |
1.20 |
|
0.030 |
0.030 | |
X42 |
0.28 |
1.30 |
|
0.030 |
0.030 | |
X46.X52.X56 |
0.28 |
1.40 |
|
0.030 |
0.030 | |
X60.X65.X70 |
0.28 |
1.40 |
|
0.030 |
0.030 | |
PSL2 | ||||||
B |
0.24 |
1.20 |
|
0.025 |
0.015 | |
X42 |
0.24 |
1.30 |
|
0.025 |
0.015 | |
X46.X52.X56 |
0.24 |
1.40 |
|
0.025 |
0.015 | |
X60.X65.X70.X80 |
0.24 |
1.40 |
|
0.025 |
0.015 |
標(biāo)準(zhǔn) |
綱級 |
屈服強(qiáng)度(MPa) |
抗拉強(qiáng)度(MPa) |
延伸率 |
API SPEC 5L |
PSL1 |
| ||
A25 |
172 |
310 | ||
A |
207 |
331 | ||
B |
241 |
414 | ||
X42 |
290 |
414 | ||
X46 |
317 |
434 | ||
X52 |
359 |
455 | ||
X56 |
386 |
490 | ||
X60 |
414 |
517 | ||
X65 |
448 |
531 | ||
X70 |
483 |
565 |
|