Invention Grant
- Patent Title: Cast Al—Si—Mg-based aluminum alloy having excellent specific rigidity, strength and ductility, and cast member and automobile road wheel made thereof
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Application No.: US15128132Application Date: 2015-03-30
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Publication No.: US10113218B2Publication Date: 2018-10-30
- Inventor: Yoshiyuki Okubo , Masaru Yoshida
- Applicant: HITACHI METALS, LTD.
- Applicant Address: JP Minato-ku, Tokyo
- Assignee: HITACHI METALS, LTD.
- Current Assignee: HITACHI METALS, LTD.
- Current Assignee Address: JP Minato-ku, Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-072271 20140331
- International Application: PCT/JP2015/059869 WO 20150330
- International Announcement: WO2015/152133 WO 20151008
- Main IPC: C22C21/02
- IPC: C22C21/02 ; C22F1/043 ; C22C21/04
Abstract:
A casting Al—Si—Mg-based aluminum alloy comprising by mass 12.0-14.0% of Si, 1.5-4.0% of Mg, and 0.10% or less of Mn, the balance being Al and inevitable impurities, and having excellent specific rigidity, strength and ductility, and its cast member.
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