ALUMINUM-BASE ALLOY FOR CYLINDER HEADS

摘要

Aluminum-base alloy, for the production of engine cylinder heads without heat treatment, containing as alloying elements: silicon, in contents varying between 5.0 % and 10.0 %, by weight; copper, in contents varying between 4.0 % and 6.0 %, by weight; magnesium, in contents varying between 0.6 % and 1.0 %, by weight; iron, with a content of less than 0.7 %, by weight; manganese, with a content of less than 0.3 %, by weight; nickel, with a content of less than 0.1 %, by weight; zinc, with a content of less than 1.0 %, by weight; titanium, with a content of less than 0.2 %, by weight; strontium, with a content of less than 0.02 %, by weight; and tin, with a content of less than 0.20 %, by weight; the balance, making up 100 % of the weight, consisting of aluminum.