... : Tangshan city 2.Standard: GB , JIS ,BS , ASTM 3.Steel grade: Q195,Q235,Q345, SS400, ST52, A36U CHANNEL1. Price: $ ... 570-$680 per ton .2. Original : Tangshan city .3. Steel Material :Q195-Q235. ASTM A36, SS400.ect4. Standard: GB , JIS ... warehouse or loading port. 11. Wide range of application: Construction , curtain wall, doors and windows, railway and traffice systom , vehchile ,machine12 ...