Alloy AK18

Designation

Name The value
Designation GOST Cyrillic АК18
Designation GOST Latin AK18
Transliteration AK18
By chemical elements -

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

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 30620-98, TU 48-26-43-77

Chemical composition

Standard Mn Si Ni Fe Cu Al Ti Zn Sn Pb Mg
GOST 30620-98 ≤0.2 17-19 0.8-1.3 ≤0.5 0.8-1.5 Rest ≤0.2 ≤0.2 ≤0.01 ≤0.05 0.8-1.3
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%.