FIELD: metallurgy.
SUBSTANCE: dispersion-hardened heat-resistant alloy based on Ni contains the following, wt %: C 0.01 or less, Mn 0.5 or less, P 0.01 or less, S 0.01 or less, Si 2.0-3.0, Cr 23-30, W 7.0-14.0, Fe 10-20 and Ni 40-60. Total content of C, N, O, P and S is 0.01 wt % or less. Silicide is dispersed and emitted, and size of grains of matrix austenite is controlled by thermomechanical treatment.
EFFECT: heat-resistant alloy has high resistance to irradiation and corrosion resistance.
9 cl, 10 dwg, 4 tbl
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