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.

Date of Patent:
Dec. 10, 1996

Filed:

Sep. 29, 1994
Applicant:
Inventors:

Akio Hashimoto, Ihara-gun, JP;

Sanji Kitaoka, Tokyo, JP;

Yoji Namekawa, Tokyo, JP;

Kiyoshi Takagi, Tokyo, JP;

Hideo Yoshioka, Miura, JP;

Ken Kanasashi, Kawasaki, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148549 ; 148552 ; 148691 ; 148694 ; 148439 ; 148440 ;
Abstract

An aluminum alloy for forging comprising from 2.0 to 3.3% by weight of Si, from 0.2 to 0.6% by weight of Mg, from 0.01 to 0.1% by weight of Ti, from 0.0001 to 0.01% by weight of B, up to 0.15% by weight of Fe, one element or at least two elements selected from the group consisting of 0.001 to 0.01% by weight of Na, 0.001 to 0.05% by weight of Sr, 0.05 to 0.15% by weight of Sb and 0.0005 to 0.01% by weight of Ca, up to 0.001% by weight of P, the P/Ca weight ratio being up to 1.0, and the remainder Al, eutectic Si contained in the cast structure of said aluminum alloy having an average particle size of up to 20 .mu.m.


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