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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9534281 B1

PDFFull Text
Date of Patent:
Jan. 03, 2017

Filed:

Jul. 31, 2014

Turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same

Applicant:

Honeywell International Inc., Morristown, NJ (US);

Inventors:

Pavan Chintalapati, Karnataka, IN;

Marc Wilson, Deyvillers, FR;

Rayad Benchiheub, Lorraine, FR;

Philippe Renaud, Sanchey, FR;

Gary Agnew, Moravia, CZ;

Nicolas Devulder, Vaud, CH;

Assignee:

HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);

Attorney:

Lorenz & Kopf, LLP

Primary Examiner:

Deborah Yee

Int. Cl.
CPC ...
C22C 38/58 (2006.01); C22C 38/48 (2006.01); C22C 38/34 (2006.01); C22C 38/54 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); F01D 25/00 (2006.01); C22C 38/04 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/18 (2006.01); C22C 38/38 (2006.01); C22C 38/40 (2006.01); F01D 25/24 (2006.01); F02C 6/12 (2006.01); C21D 6/00 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/18 (2013.01); C22C 38/38 (2013.01); C22C 38/40 (2013.01); C22C 38/48 (2013.01); C22C 38/54 (2013.01); F01D 25/005 (2013.01); F01D 25/24 (2013.01); F02C 6/12 (2013.01); C21D 2211/001 (2013.01); F05D 2220/40 (2013.01); F05D 2300/13 (2013.01); F05D 2300/131 (2013.01); F05D 2300/132 (2013.01); F05D 2300/161 (2013.01); F05D 2300/171 (2013.01); F05D 2300/177 (2013.01);
Abstract

Disclosed is an austenitic stainless steel alloy that includes, by weight, about 22% to about 28% chromium, about 3.5% to about 6.5% nickel, about 1% to about 6% manganese, about 0.5% to about 2.5% silicon, about 0.3% to about 0.6% carbon, about 0.2% to about 0.8% niobium, about 0.2% to about 0.8% nitrogen, and a balance of iron. Molybdenum and tungsten are excluded. The alloy is suitable for use in turbocharger turbine housing applications for temperature up to about 980° C.

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