CAST ALUMINUM-CALCIUM ALLOY BASED ON SECONDARY RAW MATERIALS Russian patent published in 2021 - IPC C22C21/00 

FIELD: metallurgy.

SUBSTANCE: invention relates to the field of metallurgy of materials based on aluminum and can be used to obtain products operating under high loads at temperatures up to 300°C, in particular parts of aircraft, cars and other vehicles. Casting alloy based on aluminum contains, wt%: calcium 2.0-4.0, manganese 1.2-2.2, iron 0.2-0.8, silicon 0.1-0.5, copper 0, 4-1.2, zinc 0.1-1.0, aluminum - the rest, while the total content of calcium, manganese and iron is in the range from 4.4 to 6.0 wt.%.

EFFECT: invention is aimed at creation of a casting aluminum alloy intended for production of shaped castings having a high level of mechanical properties without subsequent heat treatment.

1 cl, 4 dwg, 2 tbl, 2 ex