C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/104
C22C 19/05 (2006.01)
Patent
CA 1168478
CORROSION-RESISTANT NICKEL ALLOY ABSTRACT OF THE DISCLOSURE A nickel-base alloy containing principally chromium molybdenum and tungsten is disclosed. The alloy is especially resistant to corrosion in a variety of corrosive media including oxidizing acids and reducing acids; furthermore, the alloy is not subject to localized corrosive attack, known as the "pitting" test. The alloy nominally contains 22% chromium, 13% molybdenum, 3% tungsten, 3% iron and the balance nickel plus small amounts of adventitious elements and impurities. Molybdenum and tungsten must be present in a ratio of about 4 to 1 respectively for optimum benefits of the invention.
377502
Cabot Corporation
Marcoux & Sher Swabey Mitchell Houle
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