Steel H beam 1.100*100*6*8mm-900*300*16*28mm 2. Standard: GB,JIS,ASTM 3. Length: 5.8-12m 4. Origin: Tangshan, Hebei province Hot rolled structural steel H beamGrade: Q235B, Q235, Q345B, SS400, A36…Standard: JIS/ ASTM/ GB/ BS/ ...Length: 5.8m, 6m, 12m, or as the customers’ requirements.Usage: (1).used for the plant, high-rise building construction (2).used for the bridge, shipment building (3). ...