US2013220488A1PendingUtilityA1
Method for carburizing steel components
Est. expiryDec 23, 2023(expired)· nominal 20-yr term from priority
C21D 1/06C23C 8/80C23C 8/02C23C 28/321
61
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Claims
Abstract
A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object having a hardened case substantially free of continuous phase grain boundary carbides.
Claims
exact text as granted — not AI-modified1 . A method of increasing the hardness of a steel object, comprising: applying a nickel plating to at least a portion of a surface of the steel object; subjecting the steel object to carburizing to allow carbon atoms to diffuse through the nickel plating and form a case portion at a depth greater than or equal to 0.012 inches; and heat treating the steel object after said subjecting and the case portion having a hardness of at least Rc 50.
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