常用型号规格镀锌钢格板的理论重量型号 理重（kg/） 型号 理重（kg/ ） G203/30/100 22.0 G203/40/100 17.7G203/30/50 25.1 G203/40/50 20.8G205/30/100 33.3 G205/40/100 26.5G205/30/50 36.4 G205/40/50 29.7G253/30/100 26.6 G253/40/100 21.4G253/30/50 29.7 G253/40/50 24.4G255/30/100 40.9 G255/40/100 32.3G255/30/50 43.8 G255/40/50 35.5G323/30/100 33.3 G323/40/100 26.6G323/30/50 36.2 G323/40/50 29.6G325/30/100 51.6 G325/40/100 40.4G325/30/50 54.8 G325/40/50 43.6G403/30/100 40.8 G403/40/100 32.5G403/30/50 43.8 G403/40/50 35.4G405/30/100 63.7 G405/40/100 49.7G405/30/50 66.9 G405/40/50 52.9G455/30/100 71.3 G455/40/100 55.6G455/30/50 74.5 G455/40/50 58.7G505/30/100 78.9 G505/40/100 61.4G505/30/50 82.0 G505/40/50 64.5G655/30/100 102 G655/40/100 78.8G655/30/50 105 G655/40/50 82.0