FIELD: metallurgy. SUBSTANCE: steel has, wt. -% : carbon 0.5-0.7; silicon 0.5-0.6; manganese 1.0-1.6; vanadium 0.25-0.4; copper 0.2-0.5; nickel 0.25-0.35; chrome 1.4-1.8; phosphorus 0.04-0.05; boron 0.09-0.12; aluminium 0.05-0.1; arsenic 0.09-0.12, and iron - the rest. Steel can be used in machine engineering. EFFECT: enhanced antiscoring properties of steel. 1 tbl
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