... 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 ... 900*300mm, details please check below4.length6m or 12m5.applicationused for machinery, procesing, structure building, automobile manufacturing, shipbuilding, ...