... -Beam, H Steel Beam 1.GRADE:SS400,ST37-2,A36,Q235, Q345 etc. 2.GB/T11263-1998, JIS G31301, ASTM, DIN Hot Rolled ... H-Beam,H Steel Beam1. Size: 1) H: 100-800mm 2) B: 50-1500mm 3)T1: 5-16mm 4)T2: 7 ... -28mm2. Grade: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc.3. Standard: GB/T11263-1998, JIS G31301, ASTM, DIN, etc ...