... /A420D/Q460EM,ST37, A36, SS400, ST52. 1.standardGB/T 1591, GB/T700, ASTM, EN, DIN, JIS2. Steel gradeQ345C, Q345D, Q345E, ... and warehouse shelves.8.delivery5-10 daysHOT ROLLED H BEAM GB/T11263-1998 TypesSIZEDIMENSION ,mmWEIGHTkg/mH*Bt1t2HW100*100100*1006817.2125*125125 ... *100198*994.5718.5200*1005.5821.7HOT ROLLED H BEAM GB/T11263-1998 typesSIZEDIMENSION ,mmWEIGHT kg/mH*Bt1t2HN250*125248*1245825.8250 ...