Question

钢管的理论重量计算公式是什么？

Answer 1

外径×壁厚（mm）|重量（kg/m）|外径×壁厚（mm）|重量（kg/m）|外径x壁厚（mm）|重量（kg/m）

6x1|0.125|27×3.5|2.049 |57×3.5|4.664

6×1.5 |0.168 28×2|1.295 |60×4|5.580

8×l|0.174 28×3 |1.868 |60×56.850

8xl.5 |0.243 30x2|1.395 |63.5x4 5.929

10x1|0.224|30×2.5 | 1.713|70×3.5|5.798

10×l.5|0.318 30x3 |2.018 76x4|7.174

12x1 |0.27432x2|1.495 |76×4.5|8.015

12×1.5|0.392 |32×25|1.837 |76×5|8.843

12×2|0.498 |32×3 |2.167 |80x4 7.753

16×3 |0.971 38x3|2.616 102×5|12.081

17×3 |1.046 38×3.5|3.008 |102×614.348

18×1 |0.423 |40×2|1.893 |108x4|10.363

18xl.5 |0.617 40×3|2.765|108×4.5|11.602

18×2|0.797|42×3 |2.914 |108×512.829

18×3|1.121|42×3.5 |3.357|114x4.5 |12.274

20xl |0.473|42×4|3.786|127×5|15.195

20×2| 0.897 | 45×3 | 3.139 | 133×5 |15.942

22×2 |0.996 48×3.53.880 |159x5|19.181

22×2.5| 1.214 |48×4|4.384|159×6|22.867

22×3 |1.420|50x4|4.583 |168×6|24.212

25×2|1.146 50×5 |5.605 |219×631.835

27×3 |1.794|57×3|4.035 |325×10|78.467

扩展资料：

圆管重量公式：

ρ*l*π*（D^2-d^2）/4

对于公式中ρ是圆管密度，l是圆管长度，D是圆管外直径，d是圆管内直径。

首先先算出圆管体积，测量出圆管内外直径和圆管的长度后得到圆管体积为：l*π*（D^2-d^2）/4

然后根据材质密度得到圆管重量：ρ*l*π*（D^2-d^2）/4