无缝钢管理论重量表优质资料(可以直接使用，可编辑优质资料，欢迎下载）无缝钢管理论重量表：镀锌钢管理论重量表：镀锌钢管重量计算公式：[(外径-壁厚)*壁厚]*0.02466=kg/米(每米的重量)不锈钢管理论重量表：焊接钢管理论重量表：螺旋钢管理论重量表：矩形方钢管理论重量表：方矩形钢管理论重量计算公式：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)常用方矩管计算公式为：(长+宽)×2÷3.14-厚度×厚度×0.02466=kg/m公式二：kg/m=(Oc-4Wt)*Wt*0.00785其中：Oc是钢管外周长，Wt是钢管壁厚;正方形Oc=4*a;长方形Oc=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。无缝钢管直缝钢管承压能力和壁厚对照表（一）无缝碳钢管壁厚材质PNMPaDN10152025324050658010012515020025030035040045050060020≤1.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.578910111213156.43333.53.53.544.5567891112141617192210.033.53.544.54.55678910131518202216.044.55566789111315192426303420.044.556678911131518222832364.0T3.5444.5555.510≤1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.555678910121518222832364020.044.55678911121518222634384.0T3.5444.5555.516Mn16Mn≤1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161810.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.03.544.555.5678911131519242630直缝钢管壁厚对照表材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管（Q235A20）0.2555555556666667770.6556666677778889101.055666778899101111121.66677889101112131415162.57899101112131516焊接不锈钢管0.2533333.53.53.54444.54.50.6333.53.53.5444.555661.03.53.544.54.555.567781.644.55667789102.556789910121315外径8～73壁厚0.5～3.2无缝钢管理论重量表外径mm壁厚(mm)0.500.600.801.01.21.41.51.61.82.02.22.52.83.03.2每米重量kg80.090.110.140.170.200.230.240.250.280.300.320.3490.110.120.160.200.230.260.280.290.320.350.370.400.43100.120.140.180.220.260.300.310.330.360.400.420.460.500.520.54110.130.150.200.250.290.330.350.370.410.440.480.520.570.590.62120.140.170.220.270.320.370.390.410.450.490.530.590.640.670.69130.150.180.240.