... : GB/T9787-1988, JIS G3192-1977,etc. 2, Material: Q235,Q345,SS400,SS540,Q195,45#,etc. H Beam1, standards: AISI, ASTM, BS ... , DIN, GB/T9787-1988, JIS G3192-1977,etc.2, Material: Q235,Q345,SS400,SS540,Q195,45#, ST37-2 ... , A36, S235JRG1, etc.3, Specifications(mm): 100*50*5*7--912*302*18 ...