Iron-based alloy for internal combustion engine valve seat...

Details Iron-based alloy for internal combustion engine valve seat... Iron-based alloy for internal combustion engine valve seat...

2005-04-19

2005-04-19

Yee, Deborah (Department: 1742)

Metal treatment

Stock

Ferrous

C420S037000, C420S038000, C420S039000, C420S069000, C420S067000, C420S101000, C420S102000

Reexamination Certificate

active

06881280

ABSTRACT:
An iron-based corrosion resistant and wear resistant alloy is addressed. The alloy contains (in weight percent) 1.1-1.4% carbon, 11-14.25% chromium, 4.75-6.25% molybdenum, 3.5-4.5% tungsten, 0-3% cobalt, 1.5-2.5% niobium, 1-1.75% vanadium, 0-2.5% copper, up to 1.0% silicon, up to 0.8% nickel, up to 0.6% manganese, and the balance iron. The alloy is suitable for use in valve seat insert applications.

REFERENCES:
patent: 6436338 (2002-08-01), Qiao

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