C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/120, 148/48
C22C 38/06 (2006.01) C22C 38/26 (2006.01)
Patent
CA 1170480
Abstract Of The Disclosure Careful control of chemistry, and in particular niobium, end of annealing temperatures provides a ferritic stainless steel of improved creep strength. Annealing is performed at a temperature of at least 1900°F, and in certain embodiments, at a temperature no higher than 1990°F.
356236
Allegheny Ludlum Corporation
George H. Riches And Associates
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