... *300mm high quality H shape structural steel1)Commodity:high quality H shape structural steel2)Material: Q235B,SS400,S235jr high quality H shape ... *300mm, details please check below4.length6m or 12m5.applicationused for machinery, procesing, structure building, automobile manufacturing, shipbuilding, ... 199, 500*200mmPlease feel free to contact me for further information and hope to cooperate with you in ...