公称口径（mm）68101520253240506580100125150（in）普通钢管加厚钢管理论重量理论重量壁厚（Kg/m壁厚（Kg/m（mm））（mm））20.392.50.462.250.622.750.732.250.322.750.972.751.263.251.452.751.633.52.013.252.4242.913.253.1343.783.53.844.254.583.54.884.56.163.756.644.57.8848.344.759.81410.85513.444.515.045.518.244.517.815.521.63焊管、镀锌管理论重量表(按GB/T3091—2001标准执行)
外径规格公称内径英寸DN151/2 4分DN203月4日DN251DN321.25DN401.5DN502DN652.5DN803DN1004DN1255mm21.326.933.742.448.360.376.188.9114.3140壁厚mm2.82.83.23.53.53.84444.5最小壁厚mm2.452.452.83.063.063.3253.5焊管(6米定尺)米重kg根重kg1.662.413.363.875.297.118.3810.8815.049.9614.4620.1623.2231.7442.6650.2865.2890.24镀锌管(6米定尺)米重kg根重kg1.762.5543.564.15.6077.5368.8811.5315.94210.5615.3221.3624.633.6445.2153.2869.1898.65DN1506168.34.5DN2008219.16.0(焊管)6.5(热镀DN2008219.1锌)镀锌米数2550002.5125003218003.563004060042400505005.62800655007.53750801808.8158410023011.52645150230019.2441602001036360焊接25803.3264658107.15751100160010.817280150138018.225116200831.52522504451803003080240018.18109.0819.27115.6231.53189.1836.12216127742
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