... the same purpose.Chemical Composition (ASTM A240, Plate, sheet & strip)Typical Applications Knives, surgical instruments, high strength bolts, spindles, nozzles ... of a passivesurface film on stainless steels. It can be heat treated tohighstrength levels with good ductility. The high chromium ... to hydrogen and caustic soda, especially in the hardened condition. Heat Treated Stainless Steel Strip 410