... 3) Plain & Slot MS Channel steel bar1.Origin: Tangshan city 2.Standard: GB , JIS ,BS , ASTM 3.Steel grade: Q195,Q235,Q345, SS400, ST52 ... : $570-$680 per ton .2. Original : Tangshan city .3. Steel Material :Q195-Q235. ASTM A36, SS400.ect4. Standard: GB , JIS ,BS , ASTM ... , railway and traffice systom , vehchile ,machineExcept U channel, we also deal with Angle steel bar, H and I beam.If you would ...