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1、国标焊接钢管壁厚规格外径壁厚最小壁厚焊管（6米定尺）镀锌管（6米定尺）公称内径英寸mmmmmm米重kg根重kg米重kg根重kgDN151/221.32.82.45DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN803
2、88.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62DN2008219.16.0（焊管）31.53189.18DN2008219.16.5（热镀锌）36.12216.7国标焊接钢管壁厚规格外径壁厚最小壁厚现场实测公称内径英寸mmmmmm1234DN151/221.32.82.45DN203/426.92.82.45DN25133.73.22.8DN321.2542.43.53.06DN401.548.33.53.063.03.0DN50260.33.83.3253.563.0DN652.576.14.03.53.13.0DN80388.94.03.53.03.5DN1004114.34.0DN12551404.5DN1506168.34.5DN2008219.16.0（焊管）DN2008219.16.5（热镀锌）
