FIELD: metallurgy. SUBSTANCE: steel has, wt. -% : carbon 0.1-0.2; manganese 2.1-3.0; silicon 0.1-0.2; titanium 0.03-0.1; calcium 0.01-0.02; zirconium 0.01-0.03; arsenic 0.01-0.02; copper 0.1-0.2; chrome 5.5-6.2, and iron - the rest. Steel is used for automobile members making. EFFECT: enhanced corrosive strength of steel. 1 tbl
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