钢板卷管理论重量表 公称外径 mm 公称壁厚 mm 5.0 5.5 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 18.0 20.0 22.0 273 33.04 36.28 39.51 45.92 323.9 39.32 43.18 47.04 54.70 62.32 69.89 (325) 39.46 43.33 47.26 54.90 62.54 70.13 355.6 43.23 47.48 51.73 60.18 68.57 76.92 (377) 45.88 50.39 54.89 63.87 72.80 81.67 406.4 49.44 54.32 59.24 68.94 78.60 88.20 97.75 (426) 51.91 57.03 62.14 72.33 82.46 92.55 102.59 457 55.