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30CrMo高压合金管化学成分
发布者：聊城市智凯钢管有限公司 发布时间：2022/3/4 阅读：36次
30CrMo高压合金管化学成分
流体用无缝钢管机械性能
钢管种类
外径(D)
钢管壁厚(S)
冷拔管
钢管外径(mm)
允许偏差(mm)
钢管壁厚(mm)
允许偏差(mm)
…
流体用无缝钢管机械性能
|
钢管种类 |
外径(D) |
钢管壁厚(S) |
||
|
冷拔管 |
钢管外径(mm) |
允许偏差(mm) |
钢管壁厚(mm) |
允许偏差(mm) |
|
＞30～50 |
±0.3 |
≤30 |
±10% |
|
|
＞50～219 |
±0.8% |
|
|
|
|
热轧管 |
＞219 |
±1.0% |
＞20 |
±10% |
流体用无缝钢管力学性能
|
标准 |
牌号 |
抗拉强度(Mpa) |
屈服强度(Mpa) |
伸长率(%) |
|
GB/T8163 |
10 |
335～475 |
≥205 |
≥24 |
|
20 |
410～550 |
≥245 |
≥20 |
|
|
Q345 |
490～665 |
≥325 |
≥21 |
流体用无缝钢管化学成份
|
标准 |
牌号 |
化学成分 |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
||
|
GB/T8163 |
10 |
0.07～0.14 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
≤0.25 |
≤0.25 |
|
20 |
0.17～0.24 |
0.17～0.37 |
0.35～0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
≤0.25 |
|
|
Q345 |
0.12～0.20 |
0.20～0.55 |
1.20～1.60 |
≤0.045 |
≤0.045 |
/ |
/ |
/ |
|
40cr合金钢管标准理论重量表
|
单位：Kg/m |
壁 厚 |
|
|||||
|
外 径 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
|
10 |
0.172 |
0.561 |
0.594 |
0.624 |
|
|
|
|
30 |
1.997 |
2.287 |
2.578 |
2.829 |
3.069 |
3.319 |
3.551 |
|
32 |
2.146 |
2.460 |
2.762 |
3.052 |
3.329 |
3.594 |
3.847 |
|
38 |
2.589 |
2.978 |
3.354 |
3.718 |
4.069 |
4.408 |
4.735 |
|
42 |
2.885 |
3.323 |
3.749 |
4.162 |
4.562 |
4.951 |
5.327 |
|
45 |
3.107 |
3.582 |
4.044 |
4.495 |
4.932 |
5.358 |
5.771 |
|
50 |
3.477 |
4.014 |
4.538 |
5.049 |
5.549 |
6.036 |
6.511 |
|
54 |
3.773 |
4.359 |
4.932 |
5.493 |
6.042 |
6.578 |
7.103 |
|
57 |
3.995 |
4.618 |
5.228 |
5.826 |
6.412 |
6.985 |
7.546 |
|
60 |
4.217 |
4.877 |
5.524 |
6.159 |
6.782 |
7.392 |
7.990 |
|
63.5 |
4.476 |
5.179 |
5.869 |
6.548 |
7.214 |
7.867 |
8.508 |
|
68 |
4.809 |
5.567 |
6.313 |
7.047 |
7.768 |
8.477 |
9.174 |
|
70 |
4.957 |
5.740 |
6.511 |
7.269 |
8.015 |
8.749 |
9.470 |
|
73 |
5.179 |
5.999 |
6.807 |
7.602 |
8.385 |
9.156 |
9.914 |
|
76 |
5.401 |
6.258 |
7.103 |
7.935 |
8.755 |
9.563 |
10.358 |
|
89 |
6.363 |
7.380 |
8.385 |
9.378 |
10.358 |
11.326 |
12.281 |
|
108 |
7.768 |
9.020 |
10.259 |
11.486 |
12.701 |
13.903 |
15.093 |
|
133 |
11.178 |
12.725 |
14.261 |
15.783 |
17.294 |
18.792 |
|
|
159 |
13.422 |
15.290 |
17.146 |
18.989 |
20.821 |
22.639 |
|
|
219 |
18.601 |
21.209 |
23.805 |
26.388 |
28.959 |
31.517 |
|
|
273 |
23.262 |
26.536 |
29.797 |
33.046 |
36.283 |
39.508 |
|
|
325 |
27.750 |
31.665 |
35.568 |
39.458 |
43.337 |
47.202 |
|
|
355 |
38.897 |
43.158 |
47.406 |
51.641 |
|
|
|
|
377 |
41.339 |
45.871 |
50.390 |
54.897 |
|
|
|
|
426 |
46.777 |
51.913 |
57.036 |
62.147 |
|
|
|
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