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1、方钢管理论重量表方钢管理论重量表4规格壁厚理论重量规格壁厚理论重量规格壁厚理论重量DxB(mm)t(mm)kg/mDxB(mm)t(mm)kg/mDxB(mm)t(mm)kgr12x121.00.330040x402.52.920075x752.04.548016x161.20.56702.83.16502.35.286019x191.20.66303.03.45002.86.27001.50.79004.04.46003.06.63DO20x201.50.788050x501.52.29804.08.65DO2.01.06002.02.95004.59.740025x251.20.90202
2、.33.48005.010.31001.51.07502.53.71006.012.42902.01.38002.84.173080x806.013.22672.31.55003.04.390089x894.511.70002.51.72604.05.72005.012.84502.81.87104.56.20006.014.60003.02.04005.06.9700100x1003.08.99DO30x301.21.070060x602.54.41003.29.54DO1.51.31302.85.06304.513.26002.01.69003.05.34005.014.8DOO2.82.
3、30103.25.67006.017.00003.02.39004.06.9970120x1206.020.700038x381.51.734063.5x63.52.54.7383125x1254.014.80002.02.19002.755.00004.516.60002.82.97302.85.24506.021.7DOO40x401.21.450065x653.05.9700150x1504.520.10001.51.82004.07.22875.022.70002.02.24004.58.24336.024.60002.32.75805.08.7500200x2006.036.2800
4、方钢管理论重量（加熟虑理）Ja格:EN10210S275J2H&S355J2HIB4规格壁厚理论重量规格壁厚理论重量规格壁厚理论重量DxB(mm)t(mm)kg/mDxB(mm)t(mm)kg/mDxB(mm)t(mm)kg/nI50x505.06.8500150x1506.328.1000200x20016.090.300060x603.05.29008.035.1000250x2506.347.90004.06.900010.043.10008.060.300080x806.314.200012.552.700010.074.5000100x1005.014.700016.065.2000
5、12.591.90006.318.2000180x1806.334.000016.0115.00008.022.60008.042.7000300x3008.072.800010.027.400010.052.500010.090.2000120x1205.017.800012.564.400012.5112.00006.322.200016.080.200016.0141.00008.027.6000200x2006.338.0000350x35010.0106.000010.033.70008.047.700012.5131.000012.540.900010.058.800016.016
6、6.0000150x1505.022.600012.572.3000400x40012.5151.0000方矩形钢管理论重量计算表：正方形和长方形（矩形）截面碳钢钢管：每米重量单位:kg/m（千克/米）&lb/ft（磅/英尺）方便常用方矩管计算公式为：（长+宽）X23.14-厚度X厚度XO.02466=kgm公式二:kgm=（0c-4Wt）*Wt*O00785其中：OC是钢管外周长，Wt是钢管壁厚；正方形0c=4*a;长方形0c=2a+2ba,b是边长通俗的解释为：4x壁厚X（边长-壁厚）x7.85其中，方管边长和壁厚都以毫米为单位，直接把数值代入上述公式，得出即为每米方管的重量，以克为单位。30x30x2.5毫米的方管，按上述公式即可算出其每米重量为：4x2.5x（30-2.5）x7.85=275x7.85=2158.75克,即约2.16公斤当壁厚和边长都以毫米为单位时，4x壁厚x（边长-壁厚）算出的是每米长度方管的体积，以立方厘米为单位，再乘以铁的比重每立方厘米7.85克，得出即为每米方管以克为单位的重量。建筑材料密度、体积、重量等相关数据
