Alloy AK18
Designation
Description
Alloy AK18 is used: for the production of ingots weighing up to 20 kg, produced from primary metals, scrap and waste of nonferrous metals and alloys intended for the manufacture of casting of pistons of engines.
Standards
Chemical composition
Al is the base.
According to GOST 30620-98, the total mass fraction of normalized impurities should be ≤ 1.10%. At the request of the consumer, it is allowed to normalize the mass fractions of calcium, sodium and lithium, the content of which is controlled according to the procedures approved in accordance with the established procedure. At the request of the consumer, the mass fraction of iron is allowed to be ≤ 0.40%.
According to GOST 30620-98, the total mass fraction of normalized impurities should be ≤ 1.10%. At the request of the consumer, it is allowed to normalize the mass fractions of calcium, sodium and lithium, the content of which is controlled according to the procedures approved in accordance with the established procedure. At the request of the consumer, the mass fraction of iron is allowed to be ≤ 0.40%.