C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/122
C22C 38/46 (2006.01)
Patent
CA 1086990
STEEL Abstract of the Disclosure The steel according to the invention consists of 0.12- -0.20% by weight of carbon, 0.15-0.37% by weight of silicon, 0.3-0.8% by weight of manganese, 1.6-2.7% by weight of chromi- um, 0.8-2.0% by weight of nickel, 0.5-1.0% by weight of molyb- denum, 0.05-0.15% by weight of vanadium, 0.002-0,08% by weight of zerium, 0.01-0.10% by weight of copper, 0.0005-0.009% by weight of antimony, 0.0005-0.009% by weight of tin, 0.001-0.02, by weight of sulphur, 0.002-0.02 % by weight of phosphorus, 96.246-92.862% by weight of iron. The steel exhibits improved resistance against neutron radiation. At 300°C and neutron fluence of 1.1020 neutr./cm2, the transition embrittlement temperature increases by no more than 50°C. The steel is designed for application in structural members having a wall thickness of up to 650 mm and has ultima- te strength Image at 350°C of at least 55 kgf/mm2. The steel does not require immediate temper after welding.
290035
Astafiev Anatoly A.
Badanin Vladimir I.
Balandin Jury F.
Dub Vladimir S.
Gluskin Lev Y.
Astafiev Anatoly A.
Badanin Vladimir I.
Balandin Jury F.
Dub Vladimir S.
Gluskin Lev Y.
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