1.technology:hot rolled h beam 2.grade:Q235B Q345B 3.length:6m,9m,12m steel ... .Large 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.3)Size: from 100X50X5X7mm ...