... :Q235B Q345B 3.length:6m,9m,12m steel H beams is a new production for construction and ... compared with hot rolled sections. The usage of H beams:Certificates: ISO 14001,ISO 9001 1.Beams ... of 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, SM490B ...