... Flat BarStainless steel flat bar, is the wide 12-300mm, thickness 0.3-60mm, and slightly rectangular cross-section of pure steel ... edges. Stainless steel flat bar can be finished steel.Main use: ... housing aircraft structural parts, escalator.1.Type:Round bar,Angle bar,Square bar,Flat bar,Hexagonal bar.2.Standard:AISI,GB,JIS,ASTM,DIN,EN ...