CAST IRON Russian patent published in 2017 - IPC C22C37/06 

FIELD: metallurgy.

SUBSTANCE: invention relates to cast iron compositions, which can be used to manufacture the wear parts, mainly the casting rollers of various purposes and similar parts - mill rolls, rolls of paint and paper machines, and etc. Cast iron contains, wt %: carbon 3.3-4.2; silicon 3.1-3.4; manganese 1.3-2.0; chrome 6.5-7.3; nickel 0.2-0.3; vanadium 0.2-0.25; aluminium 0.2-0.25; boron 0.2-0.25; rhenium 0.06-0.1; tungsten and/or hafnium 0.3-0.4; iron - the rest.

EFFECT: cast iron wear resistance increase.

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