I beam steel section Size:100*100mm-900*300mm. grade: Q235B,Q345B,SS400,etc. Best price,best quality Hot rolled I beam section 1. Standard: GB, JIS, ASTM ST2. Material: Q235, Q345, SS400, S235JR, S275JR, S355JR3. Length: 5.8-12m or according to our clients' requirements4. Origin: Tangshan, China5. Package: load on 20 feet/40 feet container or by bulk according to the quantity and our client's ...