US 11,795,528 B2
Aluminum alloy material and method for manufacturing the same
Kojiro Suzuki, Hamamatsu (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Sep. 29, 2022, as Appl. No. 17/936,404.
Claims priority of application No. 2021-163313 (JP), filed on Oct. 4, 2021.
Prior Publication US 2023/0120599 A1, Apr. 20, 2023
Int. Cl. C22C 21/02 (2006.01); C22C 1/00 (2023.01); C22C 21/04 (2006.01)
CPC C22C 21/02 (2013.01) [C22C 1/00 (2013.01); C22C 21/04 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An aluminum alloy material for die-casting, comprising:
Si: 9.6 mass % to 12 mass %,
Cu: 1.8 mass % to 2.5 mass %,
Mg: 1.2 mass % to 1.6 mass %,
Zn: 3.3 mass % to 3.5 mass %,
Mn: 0.5 mass % to 0.7 mass %,
Fe: 0.6 mass % to 1.3 mass %, and
Al and inevitable impurities: balance,
when the aluminum alloy material for die-casting as a whole is 100 mass %, wherein a mass ratio of Fe to Mn (Fe/Mn) is 4.4 or less.