平面型扁钢中心间距30mm 型号 黑钢尺寸mm 横杆间距mm 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 自重kg/m2 82.9 85.7 76.2 79 69 72.4 62.9 65.7 56.2 59 34.9 37.7 49.5 52.3 30.8 33.6 45.5 48.4 28.4 31.3 36.2 39 22.8 25.7 29.5 平面型扁钢中心间距40mm 型号 黑钢尺寸mm 横杆间距mm 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 50 100 自重kg/m2 .1 67 59 61.8 53.9 56.7 47 49.8 42.1 44.9 26.1 29.2 38.5 41.3 24.2 27 34.2 37.1 21.7 24.5 27.4 30.2 17.5 20.4 22.5 G605/30/100 60*5 G605/30/50 G555/30/100 55*5 G555/30/50 G505/30/100 50*5 G505/30/50 G455/30/100 45*5 G455/30/50 G405/30/100 40*5 G405/30/50 G403/30/100 40*3 G403/30/50 G355/30/100 35*5 G355/30/50 G353/30/100 35*3 G353/30/50 G325/30/100 32*5 G325/30/50 G323/30/100 32*3 G323/30/50 G255/30/100 25*5 G255/30/50 G253/30/100 25*3 G253/30/50 G205/30/100 20*5
G605/40/100 60*5 G605/40/50 G555/40/100 55*5 G555/40/50 G505/40/100 50*5 G505/40/50 G455/40/100 45*5 G455/40/50 G405/40/100 40*5 G405/40/50 G403/40/100 40*3 G403/40/50 G355/40/100 35*5 G355/40/50 G353/40/100 35*3 G353/40/50 G325/30/100 32*5 G325/40/50 G323/40/100 32*3 G323/40/50 G255/40/100 25*5 G255/40/50 G253/40/100 25*3 G253/40/50 G205/40/100 20*5
