STEEL Russian patent published in 2008 - IPC C22C38/54 

FIELD: metallurgy.

SUBSTANCE: invention refers to metallurgy and can be used for fabricating of casts of complex configuration. Steel contains, mass.%: carbon 0.2-0.4; silicon 0.2-0.4; manganese 0.2-0.4, chromium 1.0-1.5; nickel 1.0-1.5; molybdenum 0.2-0.4; magnesium 0.002-0.004; boron 0.2-0.4; phosphorous 0.02-0.04; copper 0.2-0.4; titanium 0.2-0.4; niobium 0.2-0.4; zirconium 0.2-0.4; calcium 0.01-0.02; nitrogen 0.1-0.2; iron constitutes the remaining percentage.

EFFECT: upgraded characteristics of castability and processibility of steel.

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