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Basic characteristics:
TC17 alloy is an alpha beta type two-phase titanium alloy rich in beta stable elements, with a nominal composition of Ti-5Al-2Sn-2Zr-4Mn-4Cr. This alloy has a series of advantages such as high strength, good fracture toughness, high hardenability, and wide forging temperature range, which can meet the requirements of damage tolerance design, high structural efficiency, high reliability, and low manufacturing cost.
TC17 (GB/T 3620.1-2016) chemical composition:
chemical composition TC17 Fe C Cr Mo N Zr - - 3.5 3.5 - 1.5 0.25 0.05 4.5 4.5 0.05 2.5 Al Sn H O Single Others Ti 4.5 1.5 - 0.08 - - Remainder 5.5 2.5 0.0125 0.13 0.1 0.3 The chemical composition includes chemical components with unspecified values in the table. Analysis should only be conducted if it is assumed to exist or in routine analysis, and there are indications that its composition will exceed the specified value.
TC17 application areas：
The main semi-finished products of this alloy are bars and forgings. Mainly used for manufacturing engine fans, compressor discs, and large section forgings. By heat treatment, the matching of strength, plasticity, and toughness can be adjusted, and various welding methods can be used for welding. The maximum operating temperature of TC17 alloy is 427 ° C.
