... /m 4) #16, size: 160 x 63 x 6.5mm, weight per meter: 15.52kg/m 5) #18, size ... : 180 x 68 x 6.5mm, weight per meter: 18.16kg/m 6) #20A, size ... : 18.789/19.242kg/m 7) #25A, size: 250 x 78 x 6.5mm,weight per meter: 23.299/ ... /m 10) #28B, size: 280 x 84 x 9.5mm, weight per meter: 34.032kg/m 11) #30A, size ... .017kg/m 12) #30A, size: 300 x 85 x 7.5mm, weight per meter: 32.74/33.084kg/m. U channel ...