... : Bicycle, bearing, pulley, slide, handcraft, shelf, luggage, hardware, grinding media,Valve, aerosol and finger pump, bearings, and ... Max0.03 MaxSlightly magnetic ,Flat surface HRC 25min. Better corrosion resistance than 4 series stainless steelAISI 3160.07 Max1. ... Max0.03 MaxSlightly magnetic ,Flat surface HRC 25min. Better corrosion resistance than SS304 specially against Sulfuric acid and ink/ ...