公开(公告)号：US20170096726A1

公开(公告)日：2017-04-06

申请号：US15128132

申请日：2015-03-30

Applicant: HITACHI METALS, LTD.

Inventor： Yoshiyuki OKUBO ,  Masaru YOSHIDA

IPC: C22C21/02 ,  C22F1/043

CPC classification number: C22C21/02 ,  B60B2310/202 ,  B60B2310/542 ,  B60B2360/104 ,  C22C21/04 ,  C22F1/043

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.