CORROSION-RESISTANT STEEL Russian patent published in 1997 - IPC

FIELD: metallurgy, particularly, compositions of corrosion resistant and high-strength steel being used for manufacturing of important details which operate in aggressive medium. SUBSTANCE: corrosion resistant high strength steel comprising carbon, silicium, manganese, chromium, copper and ferrum additionally contains vanadium and chemical element which improves processing of steel. Steel comprises, mas. %: carbon, 0.25-0.35; silicium, 0.80-1.10; manganese, 0.40-0.60; chromium, 14.0-18.0; copper, 0.45-0.60; vanadium, 0.15-0.25; chemical element which improved processing of steel, 0.01-0.02; ferrum, the balance. Lead, or calcium, or selenium, or tellurium is used as said element which improves processing. EFFECT: improved quality of desired steel. 2 cl, 12 tbl