Method of producing fine-grained martensitic stainless steel

Details Method of producing fine-grained martensitic stainless steel Method of producing fine-grained martensitic stainless steel

2007-10-05

2008-12-30

Yee, Deborah (Department: 1793)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S653000, C148S592000, C148S593000, C148S608000, C148S609000, C148S546000, C148S547000, C148S707000

Reexamination Certificate

active

07470336

ABSTRACT:
A martensitic alloy in which the ASTM grain size number is at least 5, including (wt. %) up to about 0.5% C, at least about 5% Cr, at least about 0.5% Ni, up to about 15% Co, up to about 8% Cu, up to about 8% Mn, up to about 4% Si, up to about 6% (Mo+W), up to about 1.5% Ti, up to about 3% V, up to about 0.5% Al, and at least about 40% Fe.

REFERENCES:
patent: 2999039 (1961-09-01), Lula et al.
patent: 3660176 (1972-05-01), Denhard, Jr.
patent: 6890393 (2005-05-01), Buck
patent: 6899773 (2005-05-01), Buck
patent: 06-33195 (1994-02-01), None
patent: 2000-226641 (2000-08-01), None

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