AN AUSTENITIC STEEL WITH IMPROVED RESISTANCE TO NEUTRON-INDUCED SWELLING AND HELIUM EMBRITTLEMENT

摘要

The steel is particularly suitable for component parts in reactor cores of high-speed breeder reactors, has a high long-term stability, and comprises:- 26 - 33% Nickel; 11 - 14% Chromium; 1.7 - 2.1% Molybdenum; 0.4 - 0.8% Vanadium; 0.4 - 0.8% Silicon; 0 - 0.4% Niobium; 0.3 - 0.6% Titanium; 0.1 - 0.2% Aluminium; maximum - 0.5% Manganese; 0.03 - 0.05% Zirconium; 0.02 - 0.08% Nitrogen; 0.02 - 0.06% Carbon; 0.01 - 0.06% Phosphorus; 0.004- 0.008% Boron; and remainder: Iron with incidental impurities.s