管線管 pipeline
??標(biāo)準(zhǔn) standard：
??api spec 5l、iso 3183, gb/t 9711
??用途 application：
??用于石油、天然氣工業(yè)中的氣、水、油輸送
??it is used for conveying gas, water and petroleum for oil and gas industries.
??機(jī)械性能 mechanical properties：
標(biāo)? 準(zhǔn) ??standard | 鋼 ?級(jí) ??grade | 屈服強(qiáng)度(mpa) ??yield strength | 抗拉強(qiáng)度(mpa) ??tensile strength | 延伸率(%) ??elongation | 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 chemical composition (%)：
標(biāo)?準(zhǔn) ??standard | 鋼??級(jí) ??grade | 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 | ||
psl2 | ||||||
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 | ||
