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Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby

  • US 5,792,282 A
  • Filed: 05/13/1996
  • Issued: 08/11/1998
  • Est. Priority Date: 04/17/1995
  • Status: Expired due to Term
First Claim
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1. A method of carburizing austenitic stainless steel comprising the steps of holding austenitic stainless steel in a fluorine- or fluoride-containing gas atmosphere with heating prior to carburizing and carburizing the austenitic stainless steel at a temperature not more than 680°

  • C. wherein said austenitic stainless steel is stable austenitic stainless steel having 1 to 6 weight % molybdenum or 13 to 25 weight % chromium, wherein a carburized hard layer having corrosion resistance superior to base material forms.

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