FIELD: process engineering.
SUBSTANCE: invention relates to nuclear machinery building. Proposed method consists in teeming different-composition iron under flux layer, layer-by-layer, in rotary mould to produce SP one-piece case. Teemed outer layer is ferritic high-strength iron with ball-shape graphite that features neutron absorption capacity while inner layer is rustproof austenitic iron with ball-shape graphite.
EFFECT: high reliability of protection and corrosion resistance.
5 cl, 2 dwg
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