Building material U beam steel channel steel 1) Size:as below 2) Thickness: ... : $570-$680 per ton .2. Original : Tangshan city .3. Steel Material :Q195-Q235. ASTM A36, SS400.ect4. Standard: GB , JIS ,BS ... wall, doors and windows, railway and traffice systom , vehchile ,machineExcept U channel, we also deal with Angle steel bar, H and ...