CAST IRON Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: cast iron containing carbon, silicon, manganese, chrome, vanadium, iron has additionally molybdenum and boron at the following ratio of components, wt. -% : carbon 2.1-2.5; silicon 0.5- 1.0; manganese 6.0-6.8; chrome 5.5-6.3; vanadium 2.0-2.5; molybdenum 1.0- 1.8; boron 0.05-0.1, and iron - the rest. Cast iron is used in machine engineering. EFFECT: prolonged period of cast iron article exploitation. 1 tbl