C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 19/05 (2006.01) C22F 1/10 (2006.01)
Patent
CA 2391909
A single step heat treatment for Ni-Cr-Mo alloys containing from 12% to 19% chromium and from 18% to 23% molybdenum provides higher yield strength, high tensile strength and other mechanical properties comparable to those observed in similar alloys age-hardened according to current practices. This treatment is done over a total time of at least 4 hours and preferably less than 50 hours. However, the treatment works for only those alloys having alloying elements present in amounts according to an equation here disclosed.
Klarstrom Dwaine L.
Pike Lee M. Jr.
Haynes International Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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