| 摘要 |
FIELD: metallurgy.SUBSTANCE: invention relates to ferrous metallurgy, namely to compositions of steel, used in agricultural mechanical engineering. The steel contains, wt %: carbon 0.17-0.23, manganese 0.8-1.0, silicon 0.8-1.0, tungsten 0.1-0.15, boron 0.005-0.01, copper 1.0-1.4, beryllium 0.001-0.0015, nickel 0.4-0.6, rhenium 0.005-001, iron - the rest.EFFECT: steel strength improvement.1 tbl |
