镀锌钢管理论重量表大全.doc

.镀锌钢管理论重量表大全-南京邦杰提供镀锌钢管理论重量表大全-南京邦杰提供公称口径外径（圆钢）普通钢管（35crmo）加厚钢管（40cr）mmin公称尺寸mm壁厚mm理论重量kg/m壁厚mm理论重量kg/m61/81020.392.50.4681/413.52.250.622.750.73103/8172.250.822.750.97151/221.22.751.263.251.45203/426.82.751.633.52.0125133.53.252.4242.91321+1/442.33.253.1343.78401+1/2483.53.844.254.58502603.54.884.56.16652+1/275.53.754.644.57.88