大家好，小体来为大家解答以上的问题。dn400×8无缝钢管理论重量，无缝钢管理论重量表大全及计算方法这个很多人还不知道,现在让我们一起来看看吧！
什么是无缝钢管？
无缝钢管具有中空的横截面，广泛用作输送流体的管道，例如石油、天然气、气体、水和一些固体材料。与圆钢等实心钢相比，在抗弯和抗扭强度相同的情况下，钢管的重量更轻。它是一种经济断面钢，广泛用于制造结构件和机械零件，如石油钻杆、汽车传动轴、自行车架和建筑施工用的钢脚手架等。用钢管制造环形零件，可以提高材料利用率，简化制造工艺，节省材料和加工时间。例如，滚动轴承套圈和千斤顶套筒广泛采用钢管制造。
完整的无缝钢管理论重量表；
Mm外径和壁厚MM 0 . 500 . 600 . 801 . 01 . 21 . 41 . 51 . 82 . 02 . 22 . 52 . 83 . 03 . 2每米重量KG 60 . 070 . 080 . 100 . 120 . 140 . 160 880 . 090 . 110 . 140 . 170 . 200 . 230 . 240 . 250 . 250460.500.520.54110.130.150.200.250.290.330.350.370.410.440.480.520.570.590.62120.140.170.220.270.320.370.390.410.450.490.530.590.640.670.69130.150.180.2 40.300.350.400.430.450.500.540.590.650.700.740.77140.170.200.260.320.380.440.460.490.540.590.640.710.770.810.85150.180.210.280.350.440.470.500.530.590.640.690.770.840.890.93160.190.230.300.370.440.500.540.570.630.690.750.830.910.961.01170.200.240.320.400.470.540.570.610.680.740.800.890.981.041.09180.2 20.260.340.420.500.570.610.650.720.790.860.961.051.111.17190.230.270.360.440.530.610.650.690.760.840.911.021.121.181.25200.240.290.380.470.560.640.680.730.810.890.971.081.191.261.33210.250.300.400.490.590.680.720.770.850.941.021.141.261.331.41220.270.320.420.520.620.710.760.850.941.041.131.271.391.481 .56230.280.330.440.540.650.750.800.850.941.041.131.271.391.481.56240.290.350.460.570.680.790.830.890.991.091.181.331.461.551.64250.300.360.480.590.700.820.870.921.031.131.241.391.531.631.72270.330.390.520.640.760.880.941.001.131.231.341.511.671.781.88280.340.410.540.670.790.920.981.041.161.281.401.571 .741.851.96290.350.420.560.690.820.951.021.081.211.331.451.631.811.922.04300.360.440.580.720.850.991.051.121.251.381.511.701.882.002.12320.390.470.620.770.911.061.131.201.341.481.621.822.022.152.27340.410.500.660.810.971.131.201.281.431.581.721.942.152.292.43350.430.510.640.841.001.161.241.321.471.631 .782.002.222.372.51360.440.520.700.861.031.201.281.361.521.681.832.072.292.442.59380.460.550.730.911.091.261.351.441.611.781.942.192.432.592.75400.490.580.770.961.151.331.421.521.691.872.052.312.572.742.90421.011.211.401.501.601.791.972.162.442.712.893.0644.51.071.281.491.591.691.902.102.292.592.883.0 73.26451.091.301.511.611.711.922.122.322.622.913.113.30481.161.391.611.721.832.052.272.482.813.123.333.54501.211.141.681.791.912.142.372.592.933.263.48 3.70511.231.471.711.831.952.182.422.562.993.333.553.77531.281.531.781.912.032.272.522.763.113.473.703.93541.311.561.821.942.072.322.562.813.183.543.774 .01561.361.621.892.022.152.412.662.923.303.673.924.17571.381.651.922.052.192.452.712.973.363.744.004.25601.461.742.022.162.312.582.863.143.553.954.224.48631.531.832.132.272.422.723.013.303.734.164.444.72651.581.892.202.352.502.813.113.413.854.294.594.88681.651.982.302.462.622.933.263.574.044.494.815.1 701.702.042.372.532.703.033.353.684.164.654.965.28731.782.122.472.642.823.163.503.844.40840080075
常用型材理论重量的计算公式：m=FL
m——质量千克；f——截面积m2；l-长度m；—密度*千克/立方米
其中：f截面积的计算方法：
1.方钢F=a2
2.钢管f=3.1416$(d-$)d-直径$-厚度
3.F=钢板和扁钢宽度的a $ a
密度：
钢：7.85 * 103千克/立方米
铝：2.5 ~ 2.95 * 103
铜：8.45 ~ 8.9 * 103
铸铁：6.6 ~ 7 * 103
尼龙：1.04-1.15 * 103
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本文到此结束，希望对大家有所帮助。