STEEL Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: steel has additionally chrome, nickel, titanium and aluminium at the following ratio of components, wt.-%: carbon 0.9-1.3; manganese 6-10; silicon 0.3-0.7; chrome 1.0-1.8; nickel 0.7-3.0; nitrogen 0.06-0.12; vanadium 0.1-0.3; titanium 0.08-0.15; aluminium 0.05-0.1; calcium 0.01-0.08, and iron - the rest. EFFECT: enhanced impact elasticity at negative temperature with retained enhanced wear-resistance. 2 tbl