... Grade:A36, SS400,S355,S275JR,Q195-Q235B 2.Application:steel frame construction,car manufacture Q235 u channel 1.Origin : Tangshan ... city .2.Steel Material :Q195-Q235. ASTM A36, SS400.ect3. Standard: GB ... ' warehouse or loading port. 10. Wide range of application: Construction , curtain wall, doors and windows, railway and traffice systom ...