... introduction : Descriptionsteel sheet,hot rolled steel sheet,cold rolled steel sheet, steel sheet,sheet,steel plateMaterial201,202,304,304L,309S, ... ensure maximum corrosion resistance.Heat Treatment of Stainless Steel 304Stainless steel 304 cannot be hardened by heat treatment. ... after heating to 1010-1120°C.MachinabilityStainless steel 304 has good machinability. Machining can be enhanced by using the ...