上海寶鋼產(chǎn)20Cr無縫鋼管直徑60mm無縫鋼管理論重量表
|
單位：Kg/m |
壁 厚 |
|
|
外 徑 |
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 |
無縫鋼管重量公式
[(外徑-壁厚)*壁厚]*0.02466=kg/米（每米的重量）
無縫鋼管尺寸及允許偏差
|
偏差等級 |
標準化外徑允許偏差 |
|
D1 |
±1.5%，最小±0.75 mm |
|
D1 |
±1.5%，最小±0.75 mm |
|
D2 |
±1.0%。最小±0.50 mm |
|
D3 |
±0.75%．最小±0.30 mm |
|
D4 |
±0.50%。最小±0.10 mm |
