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厚壁無縫鋼管理論計算公式誰知道？尺寸偏差及理論重量！
2020-12-15
無縫鋼管廠介紹，厚壁無縫鋼管的理論計算公式：(外徑-壁厚)×壁厚×0.02466=KG/M(每米的重量)
例：325*10的無縫鋼管計算方法，
(325-10)*10*0.02466=77.679Kg
厚壁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 |
| D2 | ±1.0%。最小±0.50 mm |
| D3 | ±0.75%．最小±0.30 mm |
| D4 | ±0.50%。最小±0.10 mm |
厚壁無縫鋼管理論重量
| 單位：Kg/m | 壁 厚 | ||||||
| 外 徑 | 6.5 | 7 | 8 | 8.5 | 9 | 10 | 12 |
| 32 | 4.088 | ||||||
| 38 | 5.049 | ||||||
| 42 | 5.691 | ||||||
| 45 | 6.172 | ||||||
| 50 | 6.973 | 7.423 | 8.286 | 8.699 | |||
| 54 | 7.614 | 8.114 | 9.075 | 9.538 | |||
| 57 | 8.095 | 8.632 | 9.667 | 10.167 | |||
| 60 | 8.576 | 9.149 | 10.259 | 10.796 | |||
| 63.5 | 9.137 | 9.754 | 10.95 | 11.529 | |||
| 68 | 9.858 | 10.53 | 11.838 | 12.473 | |||
| 70 | 10.179 | 10.876 | 12.232 | 12.892 | 13.539 | 14.797 | 17.164 |
| 73 | 10.66 | 11.394 | 12.824 | 13.521 | 14.205 | 15.537 | 18.052 |
| 76 | 11.141 | 11.912 | 13.416 | 14.15 | 14.871 | 16.277 | 18.94 |
| 89 | 13.225 | 14.156 | 15.981 | 16.875 | 17.756 | 19.483 | 22.787 |
| 108 | 16.27 | 17.436 | 19.729 | 20.858 | 21.973 | 24.168 | 28.41 |
| 133 | 20.278 | 21.751 | 24.662 | 26.098 | 27.522 | 30.334 | 35.809 |
| 159 | 24.446 | 26.24 | 29.791 | 31.548 | 33.293 | 36.746 | 43.503 |
| 219 | 34.064 | 36.598 | 41.629 | 44.126 | 46.61 | 51.543 | 61.259 |
| 273 | 42.72 | 45.92 | 52.283 | 55.445 | 58.596 | 64.86 | 77.24 |
| 325 | 51.056 | 54.897 | 62.542 | 66.346 | 70.137 | 77.684 | 92.629 |
| 355 | 55.865 | 60.076 | 68.46 | 72.634 | 76.796 | 85.082 | 101.507 |
| 377 | 59.391 | 63.873 | 72.801 | 77.246 | 81.679 | 90.508 | 108.018 |
| 426 | 67.246 | 72.332 | 82.468 | 87.518 | 92.555 | 102.592 | 122.519 |
| 450 | 71.093 | 76.475 | 87.203 | 92.549 | 97.882 | 108.511 | 129.621 |
| 480 | 75.902 | 81.654 | 93.122 | 98.837 | 104.54 | 115.909 | 138.499 |
| 530 | 83.917 | 90.286 | 102.987 | 109.319 | 115.638 | 128.24 | 153.296 |
| 630 | 99.947 | 107.549 | 122.716 | 130.281 | 137.833 | 152.902 | 182.89 |
