ss400 200*200 h shape steel beam 1.Thickness:5-16mm 2.Width:75- ... -500*200mm 4.Material:q235/q345/ss400 ss400 200*200 h shape steel beam1.Thickness:5-16mm2.Width:75-500mm3.Size ... , processing, structure building, automobile manufacturing,shipbuilding, electric power7.Specification: Type(H*W)Section size/mmTheoretical weight(kg/m)HBt1t2r100*10010010068816.9125 ...