FIELD: metallurgy. SUBSTANCE: invention relates to preparing sintered tungsten-base heavy alloys used for making articles subjecting for significant total deformation up to 50-80%, for example, for special articles. Invention proposes tungsten- -base alloy comprising cobalt, tantalum, nickel, iron that comprises additionally lanthanum in the following ratio of components, wt. -%: cobalt, 0.6-0.8; tantalum, 0.2-0.4; nickel, 2.0-5.0; iron, 1.2-1.6; lanthanum, 0.1-0.2; tungsten, the balance. Invention provides making articles with density 17.8-18.2 kgf/cm3 and enhanced indices of density and plasticity. EFFECT: enhanced and valuable properties of alloy. 1 tbl, 1 ex
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机译：领域：冶金。用于烧结的钨基重合金的制备本发明涉及用于制造制品的烧结钨基重合金，所述制品例如对于特殊制品的总变形高达50-80％。本发明提出了包含钴，钽，镍，铁的钨基合金，该钨基合金还按以下重量比的组分比例还包含镧。 -％：钴，0.6-0.8;钽0.2-0.4;镍2.0-5.0;铁1.2-1.6;镧0.1-0.2;钨，余量。发明提供了密度为17.8-18.2kgf / cm 3 且密度和塑性指数增强的制品。效果：增强和有价值的合金性能。 1 tbl，1 ex
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