FIELD: metallurgy.
SUBSTANCE: according to first version alloy contains wt %: silicon 30-65, aluminium 0.1-10, calcium 10-20, barium 7-20, iron 1-15, strontium 7-20, copper 0.1-10. According to the second version alloy contains wt %: aluminium 30-65, silicon 0.1-10. Contents of the rest of components correspond to the first version. Summary contents of calcium+barium+strontium in both versions of composition is over 25%.
EFFECT: raised plastic and strength properties of steel due to more efficient de-oxidation and transfer of products of de-oxidation reactions into slag; more efficient modifying and micro-alloying due to more uniform distribution of disperse strengthening phases in structure of metal.
2 cl, 4 tbl, 2 ex
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