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碳钢管壁厚计算
条件:设计压力:≤2.5MPa
设计温度:≤200oC
材 质:20号优质碳素钢
| 管子外径 (mm) | 管子外径 (mm) | 设计压力kg/cm2 | 焊缝系数 | 许用应力kg/mm2 | 壁厚负偏差
mm | 腐蚀裕度
mm | 管子加工减薄量
mm | 计算壁厚
mm | 选用壁厚
mm | | 15 | 18 | 25 | 1 | 1250 | 0.4899376 | 1.5 | 1.162 | 3.26625 | 3* | | 20 | 25 | 25 | 1 | 1250 | 0.501893 | 1.5 | 1.162 | 3.345953 | 3* | | 25 | 32 | 25 | 1 | 1250 | 0.568531 | 1.5 | 1.479 | 3.790206 | 3.5* | | 32 | 38 | 25 | 1 | 1250 | 0.5787785 | 1.5 | 1.479 | 3.858523 | 3.5* | | 40 | 45 | 25 | 1 | 1250 | 0.5907339 | 1.5 | 1.479 | 3.938226 | 3.5* | | 50 | 57 | 25 | 1 | 1250 | 0.3561015 | 1.5 | 0 | 2.37401 | 3.5 | | 65 | 76 | 25 | 1 | 1250 | 0.388552 | 1.5 | 0 | 2.590347 | 4 | | 80 | 89 | 25 | 1 | 1250 | 0.410755 | 1.5 | 0 | 2.738366 | 4 | | 100 | 108 | 25 | 1 | 1250 | 0.4432054 | 1.5 | 0 | 2.954703 | 4 | | 125 | 133 | 25 | 1 | 1250 | 0.4859035 | 1.5 | 0 | 3.239356 | 4 | | 150 | 159 | 25 | 1 | 1250 | 0.5303094 | 1.5 | 0 | 3.535396 | 4.5 | | 200 | 219 | 25 | 1 | 1250 | 0.6327847 | 1.5 | 0 | 4.218564 | 5 | | 250 | 273 | 25 | 1 | 1250 | 0.7250124 | 1.5 | 0 | 4.833416 | 6 | | 300 | 325 | 25 | 1 | 1250 | 0.8138243 | 1.5 | 0 | 5.425495 | 7 | | 350 | 377 | 25 | 1 | 1250 | 0.9026361 | 1.5 | 0 | 6.017574 | 7 | | 400 | 426 | 25 | 1 | 1250 | 0.9863243 | 1.5 | 0 | 6.575495 | 8 | | 450 | 480 | 25 | 1 | 1250 | 1.078552 | 1.5 | 0 | 7.190347 | 8 | | 500 | 530 | 25 | 1 | 1250 | 1.163948 | 1.5 | 0 | 7.759653 | 9 |
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