公称口径（mm）68101520253240506580100125150（in）1./81/43/81/23/4111/411/2221/23456普通钢管加厚钢管壁厚（mm）理论重量（Kg/m）壁厚（mm）理论重量（Kg/m）22.252.252.752.753.253.253.53.53.75444.54.50.390.620.321.261.632.423.133.844.886.648.3410.8515.0417.812.52.752.753.253.5444.254.54.54.7555.55.50.460.730.971.452.012.913.784.586.167.889.8113.4418.2421.63镀锌钢管理论重量表
公称口径（mm）1520253240506580100125150（in）1/23/4111/411/2221/23456壁厚（mm）2.752.753.253.253.53.53.754444.5理论重量（Kg/m）1.341.732.573.324.075.177.048.8411.515.9418.89
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