FIELD: metallurgy.
SUBSTANCE: invention can be used to manufacture deformed semi-finished products, and castings intended to manufacture parts of power and transport engineering, aviation and space equipment with work temperatures in range from -196 to 450°C. Titanium-based alloy contains in wt %: aluminium 1.8-4.4, vanadium 1.0-2.5, iron 0.05-0.5, zirconium 0.05-3.0; oxygen 0.05-0.22, molybdenum 0.5-1.5, niobium 0.05-0.8, silicon 0.05-0.2, carbon 0.005-0.1, and titanium is the rest.
EFFECT: use of said welded titanium-based alloy increases work temperature of the parts use, level of plasticity and process plasticity with keeping of high strength values.
2 cl, 2 tbl
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