20号钢管价格
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20号钢管规格为40*11的每米重量是多少
可根据无缝钢管理论重量表计算公式来说
外径一壁厚)*壁厚*0.02466=每米重量
所以(40-11)*11*0.02466=7.86
外径(毫米) |
壁 厚(毫米) | ||||||||
8.0 |
8.5 |
9 |
9.5 |
10 |
11 |
12 |
13 |
14 | |
理 论 重 量 (公斤/米-) | |||||||||
30 |
4.34 |
- |
- |
- |
- |
- |
- |
- |
- |
32 |
4.74 |
- |
- |
- |
- |
- |
- |
- |
- |
34 |
5.13 |
- |
- |
- |
- |
- |
- |
- |
- |
(35) |
5.33 |
- |
- |
- |
- |
- |
- |
- |
- |
36 |
5.52 |
- |
- |
- |
- |
- |
- |
- |
- |
38 |
5.92 |
6.18 |
6.44 |
- |
- |
- |
- |
- |
- |
40 |
6.31 |
6.60 |
6.88 |
- |
- |
- |
- |
- |
- |
42 |
6.71 |
7.02 |
7.32 |
- |
- |
- |
- |
- |
- |
44.5 |
7.20 |
7.55 |
7.88 |
- |
- |
- |
- |
- |
- |
45 |
7.30 |
7.65 |
7.99 |
8.32 |
8.63 |
- |
- |
- |
- |
48 |
7.89 |
8.28 |
8.66 |
9.02 |
9.37 |
- |
- |
- |
- |
50 |
8.29 |
8.70 |
9.10 |
9.49 |
9.86 |
10.59 |
11.25 |
- |
- |
(51) |
8.48 |
8.91 |
9.32 |
9.72 |
10.11 |
10.85 |
11.54 |
- |
- |
53 |
8.88 |
9.33 |
9.77 |
10.19 |
10.60 |
11.39 |
12.13 |
- |
- |
(54) |
9.08 |
9.54 |
9.99 |
10.43 |
10.85 |
11.67 |
12.43 |
- |
- |