Claims
- 1. An aluminum sheet material for automobiles, which has an aluminum alloy composition consisting essentially of between more than 2.6 wt % and 5 wt % of Si, 0.2 to 0.8 wt % of Mg, 0.2 to 1.5 wt % of Zn, 0.2 to 1.5 wt % of Cu, 0.2 to 1.5 wt % of Fe, and between 0.05 and less than 0.6 wt % of Mn, and one or more members selected from the group consisting of 0.01 to 0.2 wt % of Cr, 0.01 to 0.2 wt % of Ti, 0.01 to 0.2 wt % of Zr, and 0.01 to 0.2 wt % of V, with the balance of aluminum an unavoidable impurities.
- 2. A method of producing an aluminum sheet material for automobiles which comprises:
providing an aluminum casting ingot which consists essentially of between more than 2.6 wt % and 5 wt % of Si, 0.2 to 0.8 wt % of Mg, 0.2 to 1.5 wt % of Zn, 0.2 to 1.5 wt % of Cu, 0.2 to 1.5 wt % of Fe, between 0.05 and less than 0.6 wt % of Mn, and one or more members selected from the group consisting of 0.01 to 0.2 wt % of Cr, 0.01 to 0.2 wt % of Ti, 0.01 to 0.2 wt % of Zr, and 0.01 to 0.2 wt % of V, with the balance of aluminum and unavoidable impurities; melting the aluminum ingot; casting the aluminum ingot; homogenizing the aluminum ingot; hot-rolling the aluminum ingot; and cold-rolling the aluminum ingot, wherein said aluminum casting ingot comprises automobile aluminum parts scraps.
Priority Claims (1)
Number |
Date |
Country |
Kind |
133918/1998 |
May 1998 |
JP |
|
Parent Case Info
[0001] This application is the national phase under 35 U.S.C. §371 of PCT International Application No. PCT/JP99/02547 which has an International filing date of May 17, 1999, which designated the United States of America.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09462744 |
Feb 2000 |
US |
Child |
09978063 |
Oct 2001 |
US |