口径(mm)1520253240506580100125150普通钢管外径(mm)壁厚（mm)17.021.326.833.542.360.075.588.5114.0140.0165.02.752.753.253.253.503.503.754.004.004.504.50重量（Kg/m)1.261.632.423.133.844.886.648.3410.8515.0417.81壁厚（mm)3.253.504.004.004.254.504.504.755.005.505.50重量（Kg/m)1.452.012.913.784.586.167.889.8113.4418.2421.63加厚钢管备 注钢管重量＝（内直径/1000＋壁厚/1000)*壁厚/1000*3.1415926*L*7850
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