... ISO 14001,ISO9001 Hot rolled I beam:We produce and export I beam with high quality and competitive pricesI-beam steel is hot rolled from ordinary ... bridges, vehicles, brackets and machinery. Features: 1) Material: Q235, Q345, SS400, 2) Standard: GB, ASTM, JIS, EN, DIN YB/T 5047 ... mainly dealing in steel products ,such as steel i beams,h beams,u channels,hollow sections ,furniture pipes,welding rods ...