This grade is a high nitrogen and molybdenum bearing austenitic stainless steel that has a comparable or surpassing corrosion resistance to that of 316/316L and 317/317L plus approximately twice the yield strength at room temperature. The alloy does not become magnetic when cold worked, unlike many austenitic stainless steels.
Type 420 stainless steel is a general purpose steel and possesses similar qualities to the 410 grade, but contains more carbon which provides improved hardness and strength when heat treated. 420 stainless has good mechanical and machining properties.
Type 403 stainless is a corrosion and heat resistant 12% Cr martensitic alloy, very similar to stainless type 410, with the exception of a slightly lower maximum silicon content and a slightly lower maximum chromium content. Good levels of strength, toughness and ductility may be obtained with this alloy.
303 Stainless machines well and cuts clean and maintains it resistance to corrosion in temperatures up to 1500 degrees F. Good applications include repeat machining, fittings and fasteners.
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