STEEL Russian patent published in 1995 - IPC

FIELD: metallurgy. SUBSTANCE: steel contains (mass): carbon (0.1-0.18), silicium (0.15-0.3), manganese (1.0-1.7), aluminium (0.8-1.2), titanium (0.3-0.8), molybdenum (0.3-0.8), cobalt (0.01-0.2), vanadium (0.01-0.12), magnesium (0.05-0.1), nickel (3.0-5.0), copper (2.0-3.0), ferrum-the balance. EFFECT: enhanced quality of steel, namely high strength at fragile destruction, increased service life of parts of such steel. 1 cl, 1 tbl