Honda Motor Co., Ltd.
ALUMINUM ALLOY MATERIAL

Abstract:

Provided is an aluminum alloy material with high strength and low thermal expansion coefficient even under high temperature environments. An aluminum alloy material according to the present invention has a composition consisting of: Si: 13 mass % to 15 mass %, Cu: 2.0 mass % to 6.0 mass %, Mg: 0.2 mass % to 1.5 mass %, Fe: 0.4 mass % to 0.8 mass %, Ni: 0.2 mass % to 0.8 mass %, P: 0.005 mass % to 0.015 mass %, and the balance being Al and inevitable impurities.