... 1) Hot Rolled Steel Flat Bar 2) Cold Drawn Steel Flat Bar3) Slitted Steel Flat Bar4) Stainless Steel Flat BarStandard: GB/T704, ... GB/T16761, GB/T4226,etcMaterial: Q235,Q345,304,316L,etcSize range: 3 ... tools, staircase, bridge, viaduct, fences, etc Hot Rolled Steel Flat Bar Grade:Q235,Q345,etcSize (mm) width*thicknessSize (mm) ...