最新范本,供参考！最新范本,供参考！最新范本,供参考！钢管公称直径（英寸与毫米对照表）外径壁厚重量英寸毫米.毫米.英寸.公斤/米.磅/英尺.1/8″10.31.240.0490.280.191/4″13.71.650.0650.500.343/8″17.11.650.0650.640.431/2″DN1521.31.050.0420.530.363/4″DN2026.71.650.0651.030.691″DN2533.41.650.0651.310.8811/4″DN3242.21.650.0651.671.1211/2″DN4048.31.650.0651.921.292″DN5060.31.650.0652.411.6221/2″DN6573.02.110.0833.732.513″DN8088.92.110.0834.563.0731/2″101.62.110.0835.233.524″DN100114.32.110.0835.903.975″DN125141.33.960.15613.559.116″DN150168.34.370.17217.8411.998″DN200219.14.780.18825.5217.15焊管及镀锌管理论重量表(按GB/T3091—2001标准执行)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DN151/221.32.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62DN2008219.16.0（焊管）31.53189.18【本文档内容可以自由复制内容或自由编辑修改内容期待你的好评和关注，我们将会做得更好】