CAST IRON Russian patent published in 2018 - IPC C22C37/00 

FIELD: metallurgy.

SUBSTANCE: invention relates to the field of ferrous metallurgy, particularly to cast iron compositions, which can be used in machine building. Cast iron contains, by mass %: carbon 3.0–3.5; silicon 2.0–2.5; manganese 1.3–1.5; titanium 0.06–0.12; aluminum 0.2–0.3; copper is 1.3–1.5; phosphorus 0.1–0.15; calcium 0.001–0.002; REM 0.2–0.25; niobium 0.3–0.5; chrome 0.3–0.5; nitrogen 0.0005–0.001; molybdenum 0.3–0.5; vanadium 1.3–1.5; boron 0.05–0.1; iron – the rest.

EFFECT: technical result is high heat resistance.

1 cl, 1 tbl