HIGH-STRENGTH CORROSION-RESISTANT ALLOY FOR HEAVY-DUTY PARTS AND UNITS OF NUCLEAR POWER PLANTS Russian patent published in 2002 - IPC

FIELD: production of alloyed steels and alloys steels and alloys applicable in ship and nuclear power machine building, turbine manufacture and other industries. SUBSTANCE: alloy has the following ratio of components, wt. %: carbon, 0.05-0.12; silicon, 0.2-0.6; manganese, 1.0-2.0; chromium, 14.0-16.0; nickel, 34.0-38.0; titanium, 1.1-1.5; tungsten, 2.8-3.5; aluminum, 0.05-0.35; nitrogen, 0.01-0.08; cerium, 0.001-0.008; sulfur, 0.005-0.02; phosphorus, 0.005-0.02; iron, the balance. Total content of carbon and nitrogen is not more 0.16%, and total content of sulfur and phosphorus is not more 0.035%. EFFECT: higher operating reliability and prolonged service life of highly loaded flexible members and fastening parts of power generating plants. 2 tbl