FIELD: mechanical engineering; alloy is used for surface welding the most loaded parts of modern machines, for example, engine pistons. SUBSTANCE: aluminium alloy contains the components in the following proportion, mass%: silicon, 5.0-18.0; iron, 1.0-8.0; copper, 1.0-1.3; magnesium, 0.5-2.0; manganese, 0.5-1.5; titanium, 0.1-0.3; nickel, 0.5-10.0; cerium, 0.05-3.0; strontium, 0.05-0.1; aluminium, the balance. Proportion of strontium to sum iron+nickel is from 1:160 to 1:20. EFFECT: increased safe life of parts up to 30-50%. 1 tbl
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