镀锌钢管理论重量表 规格外径 mm壁厚 mm最小壁厚mm 焊管（6 米定尺）镀锌管(6 米定尺）米重 kg根重 kg米重 kg根重 kg公称内径英寸DN151/221.32.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.3 3.83.3255.2931.745.607 33.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.28 8.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.5 15.0490.2415.94298.65DN1506168.34.518.18109.0819.27 115.62DN2008219.16.0（焊管）31.53189.18 DN2008219.16.5（热镀锌）36.12216.72
