... :1) Hot Rolled Steel Flat Bar 2) Cold Drawn Steel Flat Bar3) Slitted Steel Flat Bar4) Stainless Steel Flat BarStandard: GB/T704,GB ... tools, staircase, bridge, viaduct, fences, etc Hot Rolled Steel Flat Bar Grade:Q235,Q345,etcSize (mm) width*thicknessSize (mm) width ... Tons / Month, Pregalvanized Steel Pipe 2,000 Tons / Month, Square Rectangular Steel Pipes 2,000 Tons / Month, Scaffolding Steel Pipes 1 ...