TIMET TIMETAL® 15-3 Titanium Alloy (Ti-15V-3Cr-3Sn-3Al); Casting

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TIMET TIMETAL® 15-3 Titanium Alloy (Ti-15V-3Cr-3Sn-3Al); Casting
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Beta Titanium Alloy
Material Notes:	High-Strength, Cold Formable Strip Alloy Industry Specifications: USA Aerospace: AMS 4914A. Features: Cold formable and weldable, this strip alloy is primarily used for aircraft ducting, pressure vessels and other fabricated sheet metal structures up to 300°C. Typical heat treatment for this alloy: Solution Treatment: 790°C for 3-20 min, air cool. Age Treatment: 480-620°C for 4-16 hrs. Mechanical property data for Castings: HIP, Solution Treated + Aged 975°F (524°C)/12 hrs. Data provided by TIMET.
Key Words:	15-3-3-3
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Physical Properties	Original Value	Comments

Density	4.78 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1248 MPa
Tensile Strength, Yield	1172 MPa @Strain 0.2 %
Elongation at Break	3.7 %
Modulus of Elasticity	109 GPa

Thermal Properties	Original Value	Comments
CTE, linear	4.70 µin/in-°F @Temperature 22.8 - 93.3 °C
	5.20 µin/in-°F @Temperature 22.8 - 316 °C
	5.50 µin/in-°F @Temperature 22.8 - 538 °C
	6.10 µin/in-°F @Temperature 22.8 - 760 °C
	8.60 µm/m-°C @Temperature 20.0 °C
	9.20 µm/m-°C @Temperature 20.0 - 250 °C
	9.90 µm/m-°C @Temperature 20.0 - 500 °C
Specific Heat Capacity	0.500 J/g-°C
	0.120 BTU/lb-°F @Temperature 22.8 °C
	0.130 BTU/lb-°F @Temperature 204 °C
	0.160 BTU/lb-°F @Temperature 538 °C
	0.190 BTU/lb-°F @Temperature 760 °C
Thermal Conductivity	8.30 W/m-K
	60.0 BTU-in/hr-ft²-°F @Temperature 22.8 °C
	74.0 BTU-in/hr-ft²-°F @Temperature 204 °C
	110 BTU-in/hr-ft²-°F @Temperature 538 °C
	138 BTU-in/hr-ft²-°F @Temperature 760 °C
Maximum Service Temperature, Air	288 °C
Beta Transus	760 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	2.5 - 3.5 %
Carbon, C	<= 0.050 %
Chromium, Cr	2.5 - 3.5 %
Hydrogen, H	<= 0.015 %
Iron, Fe	<= 0.25 %
Nitrogen, N	<= 0.050 %
Other, each	<= 0.10 %
Other, total	<= 0.40 %
Oxygen, O	<= 0.13 %
Tin, Sn	2.5 - 3.5 %
Titanium, Ti	72.6 - 78.5 %	Calculated as remainder
Vanadium, V	14 - 16 %

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NTIME153D / 200043

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