... *3-200*20mm Standard: GB standard Galvainzed Equal angle steel Material:Q235, Q345B,SS400,ASTM A36,S235JR,ST37. ... structure, bridge,blackets,mechanism and so on. specifcation necessary for inquiries: product name, standard performed,materials, specifcation, quantity, ... packing,in bundle or as per requirements.For more information,please contact directly without any hestation. Galvanized angle steel