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管線管API 5L -大口徑
發布日期：21-06-25 09:10:57 訪問次數：1710
管線管 pipeline
標準 standard：
api spec 5l、iso 3183, gb/t 9711
用途 application：
用于石油、天然氣工業中的氣、水、油輸送
it is used for conveying gas, water and petroleum for oil and gas industries.
機械性能 mechanical properties：
|
標 準 standard |
鋼 級 grade |
屈服強度(mpa) yield strength |
抗拉強度(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) |
||
化學成分 chemical composition (%)：
|
標 準 standard |
鋼 級 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 |
|
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