{精品}钢管公称直径(英寸与毫米对照表).docx

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 ″ DN2533.41.650.0651.310.881 1/4″ DN3242.21.65 0.0651.671.121 1/2″ DN4048.31.650.0651.921.292″ DN5060.31.650.0652.411.622 1/2″ DN6573.02.110.0833.732.513″ DN8088.92.110.0834.563.073 1/2″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。