Brand	TC11
Similar brands	Ti-6.5Al-3.5Mo-1.5Zr-0.3Si
Technicalstandard	GB/T 2965《Titanium and titanium alloy bars》
Classification	Titanium and titanium alloys
Explain	The nominal composition of TC11 titanium alloy is Ti-6.5Al-3.5Mo-1.5Zr-0.3Si, which is a α-β Type titanium alloy heat-resistant titanium alloy, with aluminum equivalent of 3.5 and molybdenum equivalent of 7.3. The alloy also has good thermal processing properties (including conventional processing properties and superplasticity), and can be welded and machined in various ways. Of the alloy β Heat treatment and isothermal forging have achieved rapid development. The alloy is also sensitive to hot salt stress corrosion. The alloy is mainly used for manufacturing compressor discs, blades, drums and other parts of aero-engines, and also for manufacturing aircraft structural parts. adopt α-β The maximum long-term working temperature of the alloy is 500 ℃ for thermal deformation and heat treatment of the zone. The semi-finished products produced include bars, forgings and die forgings. TC11 titanium alloy is a high-temperature titanium alloy widely used in China's aviation industry, with a maximum service temperature of 500 ℃. It is mainly used in parts of aero-engine compressor, such as blades, discs, drums and shafts. It can also be made into special-shaped castings. The working conditions of the parts are as follows: the parts can be used for 500 hours under 500 ℃, 100 hours under 550 ℃ and 1000 hours under 450 ℃ in the annealing state, and the parts can be used for 100 hours under 500 ℃ and one-time work under 700 ℃ in the strengthening treatment state.
Density	4.6g/cm³

Chemical composition:%

Element	Ti	Fe	C	Si	Mo	N	Zr	Al	H	O	Other individual	Other total
Min.	Allowance	-	-	0.2	2.8	-	0.8	5.8	-	-	-	-
Max.	Allowance	0.25	0.08	0.35	3.8	0.05	2	7	0.012	0.15	0.1	0.4

Note: For other individual or other total, the chemical composition includes the chemical composition not specified in the table. The analysis should only be carried out if it is assumed to exist or in the routine analysis, and there is evidence that its composition will exceed the specified value.

The information of the above materials is rough description, and any deviation may be used for reference only

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