1.Standard: GB/T11263, GB/T700, ASTM, EN, DIN 2. Steel grade: ST37, A36, SS400, ST52, SM490, SM570 3. Length: ... METERS 1.standardGB/T 1591, GB/T700, ASTM, EN, DIN2. Steel gradeST37, A36, SS400, ST52, SM490, SM5703. Length6METER, 9 METERS, ... furnace, container frame and warehouse shelves.8.delivery5-10 daysHOT ROLLED H BEAM GB/T11263-1998 TypesSIZEDIMENSION ,mmWEIGHTkg/mH*Bt1t2HW100*100100*1006817. ...