Method of carburizing austenitic stainless steel and austenitic

Details Method of carburizing austenitic stainless steel and austenitic Method of carburizing austenitic stainless steel and austenitic

1996-05-13

1998-08-11

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

148319, C21D 106, C23C 866

Patent

active

057922829

ABSTRACT:
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.degree. 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 and austenitic stainless steel products obtained thereby.

REFERENCES:
patent: 3765929 (1973-10-01), Martin
patent: 3827923 (1974-08-01), Harvey et al.
patent: 5252145 (1993-10-01), Tahara et al.
patent: 5340412 (1994-08-01), Yoshino et al.
patent: 5424028 (1995-06-01), Maloney et al.

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