Ferromagnetic alloy for induction cooking

Details Ferromagnetic alloy for induction cooking Ferromagnetic alloy for induction cooking

2004-06-01

2009-08-18

Zimmerman, John J (Department: 1794)

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

C420S452000, C420S584100, C420S112000, C220S573100

Reexamination Certificate

active

07575712

ABSTRACT:
The invention concerns a ferromagnetic alloy whereof the chemical composition comprises, in wt. %: 32.5%≦Ni≦72.5%; 5%≦Cr≦18%; 0.01%≦Mn≦4%; C≦1%; optionally one or more elements selected among Mo, V, Co, Cu, Si, W, Nb and Al, the total contents of said elements being not more than 10%, the remainder being iron and impurities resulting from preparation, the chemical composition further satisfying the following relationships: Cr−1.1Ni+23.25≦0%; 45Cr+11Ni≦1360; Ni+3Cr≧60% if Ni≧37.5; Cr≧7.5 if Ni≦37.5. The invention also concerns the use of said alloy for making heating elements for induction heated cooking appliances.

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