... compared with hot rolled sections. The usage of H beams:Certificates: ISO 14001,ISO 9001 1. ... 5.Sturcture ofr large spread steel bridge. 6.Frame structure in marine and mechanical area. 7.Large ... trains,automobiles and tractors. We provide H Beam steel, H Steel, h section steel of Chinese standard and JIS ... standard.1)Product Name: H Steel,H beam.2)Grade: Q235B, Q345B, SS400, ...