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.:
Date of Patent:
Mar. 15, 2016
Filed:
Jun. 16, 2011
John P. Foster, Bluffton, SC (US);
David Colburn, Ogden, UT (US);
Robert Comstock, Irwin, PA (US);
Terrence Cook, Riverdale, UT (US);
Mats Dahlback, Vasteras, SE;
Anand Garde, Columbia, SC (US);
Pascal Jourdain, Vasteras, SE;
Ronald Kesterson, Columbia, SC (US);
Michael Mcclarren, New Alexandria, PA (US);
Dianna Lynn Svec Nuhfer, Pittsburgh, PA (US);
Guirong Pan, Sumter, SC (US);
Jonna Partezana Mundorff, Finleyville, PA (US);
Hsiang Ken Yueh, Charlotte, NC (US);
James A. Boshers, Marshville, NC (US);
Penney File, Lusby, MD (US);
Bethany Boshers, Matthews, NC (US);
John P. Foster, Bluffton, SC (US);
David Colburn, Ogden, UT (US);
Robert Comstock, Irwin, PA (US);
Terrence Cook, Riverdale, UT (US);
Mats Dahlback, Vasteras, SE;
Anand Garde, Columbia, SC (US);
Pascal Jourdain, Vasteras, SE;
Ronald Kesterson, Columbia, SC (US);
Michael McClarren, New Alexandria, PA (US);
Dianna Lynn Svec Nuhfer, Pittsburgh, PA (US);
Guirong Pan, Sumter, SC (US);
Jonna Partezana Mundorff, Finleyville, PA (US);
Hsiang Ken Yueh, Charlotte, NC (US);
James A. Boshers, Marshville, NC (US);
Penney File, Lusby, MD (US);
Westinghouse Electric Company LLC, Cranberry Township, PA (US);
Abstract
Articles, such as tubing or strips, which have excellent corrosion resistance to water or steam at elevated temperatures, are produced from alloys having 0.2 to 1.5 weight percent niobium, 0.01 to 0.6 weight percent iron, and optionally additional alloy elements selected from the group consisting of tin, chromium, copper, vanadium, and nickel with the balance at least 97 weight percent zirconium, including impurities, where a necessary final heat treatment includes one of i) a SRA or PRXA (15-20% RXA) final heat treatment, or ii) a PRXA (80-95% RXA) or RXA final heat treatment.