H shape structural steel 1.steel grade:Q235,Q345 ... 100*100-900*300mm high quality H shape structural steel1)Commodity:high quality H shape structural steel2)Material: Q235B,SS400 ... ,S235jr high quality H shape structural steelSIZE (MM)THEORETICAL WEIGHT(KG/M) ... 250, 346*174, 350*175, 396*199, 400*200, 446*199, 450*200, 496*199, 500*200mmPlease feel free to contact me ...