CARBON STEEL Russian patent published in 2012 - IPC C22C38/42 

FIELD: metallurgy.

SUBSTANCE: steel contains components at the following ratio, wt %: carbon 0.05 - 0.95, manganese 0.25 - 1.20, silicon 0.05 -0.37, phosphorus up to 0.035, sulfur of not more than 0.040, chrome of not more than 0.10, nickel of not more than 0.25, copper of not more than 0.25, arsenic of not more than 0.08, aluminium of not more than 0.005, the iron - balance.

EFFECT: expanded area of carbon steel application and reduced prime cost due to lower consumption of aluminium during its manufacturing.

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