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无锡富金顺无缝钢管厂公司主要生产销售无缝钢管、精密钢管，产品规格齐全，货源充足，主要经营模式：订做和零售，方便客户需求，公司以薄利多销为原则，同等质量，价格最低。欢迎新老客户前来洽谈业务！
这个问题涉及到一个无缝钢管理路重量计算公式：
|
单位：Kg/m |
壁 厚 |
| |||||
|
外 径 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
|
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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