C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/58 (2006.01) C21D 8/02 (2006.01) C22C 38/00 (2006.01) C22C 38/42 (2006.01) C22C 38/44 (2006.01) C22C 38/46 (2006.01) C22C 38/48 (2006.01) C21D 6/00 (2006.01)
Patent
CA 2316332
An austenitic stainless steel of the 201 series includes, in weight percent, greater than 0.003 % Cb. Also disclosed is a method for providing a high strength 201 series stainless steel wherein the method includes preparing a heat of a 201 series stainless steel and maintaining the Cb in the heat at a level, in weight percent, greater than 0.003 %.
L'invention concerne un acier inoxydable austénitique de série 201, cet acier renfermant, en pour cent en poids, plus de 0,003 % de Cb. L'invention concerne également un procédé permettant d'obtenir un acier inoxydable haute résistance de série 201, ce procédé consistant à préparer une coulée d'acier inoxydable de série 201, puis à conserver le Cb dans cette coulée à un niveau supérieur à 0,003 % en pour cent en poids.
Bailey Ronald E.
Timmons William W.
Underkofler James W.
Allegheny Ludlum Corporation
Ati Properties Inc.
Riches Mckenzie & Herbert Llp
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