jis standard h type steel beam ss400 1.Thickness:5-16mm 2.Width:75-500mm ... -500*200mm 4.Material:q235/q345/ss400 jis standard h type steel beam ss4001.Thickness:5-16mm2.Width:75-500mm3.Size:100 ... machinery, processing, structure building, automobile manufacturing,shipbuilding, electric power7.Specification: Type(H*W)Section size/mmTheoretical weight(kg/m)HBt1t2r100*10010010068816 ...