FIELD: metallurgy.
SUBSTANCE: invention concerns metallurgy field and can be used mechanical engineering. For increasing of alloy durability it has following composition, wt %: zirconium 0,1-0,3; chrome 0,04-0,045; at least one component from group: cerium, praseodymium, neodymium, prometheum, samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutecium 0,01-0,13; rhenium 0,08-0,12; copper - the rest. Alloy ultimate strength at tension 200-220 MPa.
EFFECT: increasing of alloy durability.
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