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:
Jan. 01, 1991
Filed:
Dec. 06, 1988
Applicant:
Inventor:
Daniel Charquet, Ugine, FR;
Assignee:
Cezus, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C21D / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148421 ; 420422 ;
Abstract
The invention relates to a tube, bar, sheet or strip resistant both to uniform and nodular corrosion, of a zirconium-base alloy of a composition (% by weight) of Fe 0.1 to 0.35, V 0.07 to 0.4, Q 0.05 to 0.3, Sn below 0.25, Nb below 0.25, trace impurities and balance Zr. The invention also relates to a process for producing these products which have a greatly increased service life. It also relates to composite tube having an internal and/or external alloy sheathing.