Q235B H Beams/H-Steel/H-shaped Steel 1.material:Q235/SS400/S235JR/ST37-2 2.size:100*100- ... , etc Q235B H Beams/H-Steel/H-shaped Structure Steel 1.Grade: Q235B, Q235, Q345B, SS400, A36…2.Standard: JIS/ ASTM ... .8m, 6m, 12m, or as the customers’ requirements.4.Usage: (1).used for the plant, high-rise building construction (2).used ...