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13589460886APIX52钢管知识价格
API是美国石油学会标准(API SPEC 5L )管线管
直缝焊管生产工艺简单，生产效率高，成本低，发展较快。螺旋焊管的强度一般比直缝焊管高，能用
较窄的坯料生产管径较大的焊管，还可以用同样宽度的坯料生产管径不同的焊管。但是与相同长度的直缝管相比，焊缝长度增加30~100%，而且生产速度较低。
因此，较小口径的焊管大都采用直缝焊，大口径焊管则大多采用螺旋焊。
补充：焊管是用带钢焊接的，所以在原来它的地位没无缝管高。
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API Spec5L |
GB/T9711.1-1997 |
SY/T5037-2000 |
SY/T5384-91 |
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钢级 |
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X52 |
X60 |
Q235 |
L360 |
Q235 |
16Mn |
Q215 |
Q235 |
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1 |
219 |
6 |
16.7 |
19.3 |
7.7 |
14.8. |
7.7 |
11.3 |
7.1 |
7.7 |
|
7 |
19.5 |
22.5 |
9.0 |
17.3 |
9.0 |
13.2 |
8.2 |
9.0 |
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8 |
22.3 |
25.7 |
10.3 |
19.7 |
10.3 |
15.1 |
9.4 |
10.3 |
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2 |
273 |
6 |
13.4 |
15.5 |
6.2 |
13.5 |
6.2 |
9.1 |
5.7 |
6.2 |
|
7 |
15.6 |
18.0 |
7.2 |
15.7 |
7.2 |
10.6 |
6.6 |
7.2 |
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8 |
17.9 |
20.6 |
8.3 |
17.9 |
8.3 |
12.1 |
7.6 |
8.3 |
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3 |
325 |
6 |
11.3 |
13.0 |
5.2 |
11.3 |
5.2 |
7.6 |
4.8 |
5.2 |
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7 |
13.1 |
15.2 |
6.1 |
13.2 |
6.1 |
8.9 |
5.6 |
6.1 |
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8 |
15.0 |
17.3 |
69. |
15.1 |
6.9 |
10.2 |
6.4 |
6.9 |
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4 |
337 |
6 |
9.7 |
11.2 |
4.5 |
9.7 |
4.5 |
6.6 |
4.1 |
4.5 |
|
7 |
11.3 |
13.1 |
5.2 |
11.4 |
5.2 |
7.7 |
4.8 |
5.2 |
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|
8 |
13.0 |
14.9 |
6.0 |
13.0 |
6.0 |
8.8 |
5.5 |
6.0 |
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9 |
14.6 |
16.8 |
6.7 |
14.6 |
6.7 |
9.9 |
6.2 |
6.7 |
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5 |
406.4 |
6 |
9.0 |
10.4 |
4.2 |
9.0 |
4.16 |
6.1 |
3.8 |
4.16 |
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7 |
10.5 |
12.1 |
4.9 |
10.5 |
4.9 |
7.1 |
4.4 |
4.9 |
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8 |
12.0 |
13.9 |
5.6 |
12.0 |
5.6 |
8.1 |
5.1 |
5.6 |
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9 |
13.5 |
15.6 |
6.2 |
13.6 |
6.2 |
9.2 |
5.7 |
6.2 |
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10 |
15.0 |
17.3 |
6.9 |
15.1 |
6.9 |
10.2 |
6.3 |
6.9 |
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6 |
426 |
6 |
8.6 |
9.9 |
4.0 |
8.6 |
4.0 |
5.8 |
3.6 |
4.0 |
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7 |
10.0 |
11.6 |
4.6 |
10.1 |
4.6 |
6.8 |
4.2 |
4.6 |
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8 |
11.5 |
13.2 |
5.3 |
11.5 |
5.3 |
7.8 |
4.8 |
5.3 |
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9 |
12.9 |
14.9 |
6.0 |
12.9 |
6.0 |
8.7 |
5.5 |
6.0 |
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10 |
14.3 |
16.5 |
6.6 |
14.4 |
6.6 |
9.7 |
6.1 |
6.6 |
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7 |
478 |
6 |
7.7 |
8.8 |
3.5 |
7.7 |
3.5 |
5.2 |
3.2 |
3.5 |
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7 |
8.9 |
10.3 |
4.1 |
9.0 |
4.1 |
6.1 |
3.8 |
4.1 |
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8 |
10.2 |
11.8 |
4.7 |
10.2 |
4.7 |
6.9 |
4.3 |
4.7 |
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9 |
11.5 |
13.3 |
5.3 |
11.5 |
5.3 |
7.8 |
4.9 |
5.3 |
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10 |
12.8 |
14.7 |
5.9 |
12.8 |
5.9 |
8.7 |
5.4 |
5.9 |
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8 |
529 |
6 |
7.3 |
8.5 |
3.2 |
7.3 |
3.2 |
4.7 |
2.9 |
3.2 |
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7 |
8.6 |
9.9 |
3.7 |
8.6 |
3.7 |
5.5 |
3.4 |
3.7 |
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8 |
9.8 |
11.3 |
4.3 |
9.8 |
4.3 |
6.3 |
3.9 |
4.3 |
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9 |
11.0 |
12.7 |
4.8 |
11.0 |
4.8 |
7.0 |
4.4 |
4.8 |
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10 |
12.2 |
14.1 |
5.3 |
12.2 |
5.3 |
7.8 |
4.9 |
5.3 |
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9 |
630 |
6 |
6.2 |
7.1 |
2.7 |
6.2 |
2.7 |
3.9 |
2.5 |
2.7 |
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7 |
7.2 |
8.3 |
3.1 |
7.2 |
3.1 |
4.6 |
2.9 |
3.1 |
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8 |
8.2 |
9.5 |
3.6 |
8.2 |
3.6 |
5.3 |
3.3 |
3.6 |
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9 |
9.2 |
10.6 |
4.0 |
9.3 |
4.0 |
5.9 |
3.7 |
4.0 |
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10 |
10.3 |
11.8 |
4.5 |
10.3 |
4.5 |
6.6 |
4.1 |
4.5 |
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标准 |
牌号 |
抗拉强度（MPa） |
屈服强度（MPa） |
屈强比 |
伸长率（％） |
0℃冲击功 Akv（J） |
热处理状态 |
|
API SPEC 5L GB/T9711.2 |
B |
≥415 |
245～440 |
≤0.80 |
22 |
≥40 |
正火 |
|
X42 |
≥415 |
290～440 |
≤0.80 |
21 |
≥40 |
正火 |
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X52 |
≥460 |
360～510 |
≤0.85 |
20 |
≥40 |
正火 |
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X60 |
≥520 |
415～565 |
≤0.85 |
18 |
≥40 |
正火 |
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X65 |
≥535 |
450～570 |
≤0.90 |
18 |
≥40 |
淬火＋回火 |
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X70 |
≥570 |
485～605 |
≤0.90 |
18 |
≥40 |
淬火＋回火 |
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