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 8580191 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 12, 2013

Filed:

Dec. 09, 2010
Applicants:

Chuankai Xu, Xiamen, CN;

Zhenqing HU, Xiamen, CN;

Siqi Zhang, Xiamen, CN;

Inventors:

Chuankai Xu, Xiamen, CN;

Zhenqing Hu, Xiamen, CN;

Siqi Zhang, Xiamen, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 9/00 (2006.01); B22D 7/00 (2006.01); B22D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a brass alloy having superior stress corrosion comprising: 59.0-64.0 wt % Cu, 0.6-1.2 wt % Fe, 0.6-1.0 wt % Mn, 0.4-1.0 wt % Bi, 0.6-1.4 wt % Sn, at least one element selected from Al, Cr and B, the balance being Zn and unavoidable impurities, wherein the content of Al is 0.1-0.8 wt %, the content of Cr is 0.01-0.1 wt %, the content of B is 0.001-0.02 wt %. The alloy according to the present invention does not contain toxic elements such as lead and antimony, has superior corrosion resistance and good cuttingability and is suitable for the accessories in the potable water supply systems produced by casting, forging and extruding.


Find Patent Forward Citations

Xu, Chuankai. (2013). Brass alloys having superior stress corrosion resistance and manufacturing method thereof (U.S. Patent No. 8580191). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8580191

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