Flat steel bar q235 q345 S235JR We could suply best qualitity and most competitive price for flat bar, steel flat bar,Standard: GB/T702, JIS G3101We are professional supplier of flat steel products, we can ensure our high quality and competitive price.Hot Rolled Flat BarSpecificationsStandard: GB, JIS, ASTM, BS, DINMaterial: Q195, Q235, Q345, SS400, A36, etc.SizeThickness: 6mm-30mm3. Width: 10mm- ...