STEEL

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FIELD : metallurgy, in particular, steel compositions used in automobile industry and household technique.SUBSTANCE : steel composition contains, wt% : carbon 0.05-0.15; silicon 0.05-0.15; manganese 0.15-0.25; chromium 0.3-0.5; nickel 3.0-4.0; vanadium 0.15-0.25; aluminum 0.3-0.5; zirconium 0.15-0.25; rare-earth metals 0.15-0.25; barium 0.003-0.005; iron the balance.EFFECT : high impact hardness and plasticity.1 tbl