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TIMET TIMETAL® 3-2.5 Titanium Alloy (Ti-3Al-2.5V; ASTM Grade 9) Typical Properties
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy

Material Notes: Cold Workable Medium Strength Alloy

Features: Cold formable and weldable, this alloy is used primarily for honeycomb foil and hydraulic tubing applications. Industrial applications such as pressure vessels and piping also utilize this alloy. Available with palladium stabilization to enhance corrosion resistance. The alloy is cold formable and easily welded, such like the commercially pure grades of titanium. Yet the alloys offer nearly double the strength over TIMETAL 50A. It is ASME Boiler and Pressure Vessel code approved. It offers the highest structural efficiency of any of the common engineering metals approved by ASME. The alloy is available in all common product forms including billet, bar, plate, sheet, strip, tubing and pipe. It is nonmagnetic.

Typical heat treatment for this alloy: Stress Relief: 316-649°C for .5-3 hrs, air cool. Anneal: 649-760°C for 1-3 hrs, air cool. Solution treat: 871-927°C for .25-1 hrs, water quench. Aging: 482-538°C for 2-8 hrs, air cool.

Data provided by TIMET.

Key Words: Titanium 3-2.5; UNS R56320
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Physical PropertiesMetricEnglishComments
Density 4.51 g/cc0.163 lb/in³Typical
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 650 MPa94300 psiTypical
Tensile Strength, Yield 550 MPa
@Strain 0.2 %
79800 psi
@Strain 0.2 %
Typical
Elongation at Break 15 %15 %Typical
Modulus of Elasticity 105 - 120 GPa15200 - 17400 ksiTypical
Poissons Ratio 0.300.30
Fatigue Strength 325 MPa47100 psiLimit; test specifics not reported
Shear Modulus 43.0 - 45.0 GPa6240 - 6530 ksi
Bend Radius, Minimum 2.5 t2.5 tTypical; on 0.078 in (2 mm) sheet
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000127 ohm-cm0.000127 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 9.61 µm/m-°C
@Temperature 20.0 - 95.0 °C
5.34 µin/in-°F
@Temperature 68.0 - 203 °F
Thermal Conductivity 8.30 W/m-K
@Temperature 20.0 - 95.0 °C
57.6 BTU-in/hr-ft²-°F
@Temperature 68.0 - 203 °F
Melting Point 1700 °C3090 °F
Beta Transus 935 °C1720 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 2.5 - 3.5 %2.5 - 3.5 %
Carbon, C <= 0.080 %<= 0.080 %
Hydrogen, H <= 0.015 %<= 0.015 %
Iron, Fe <= 0.25 %<= 0.25 %
Nitrogen, N <= 0.030 %<= 0.030 %
Other, each <= 0.10 %<= 0.10 %
Other, total <= 0.40 %<= 0.40 %
Oxygen, O <= 0.15 %<= 0.15 %
Titanium, Ti 92.6 - 95.5 %92.6 - 95.5 %Calculated as remainder
Vanadium, V 2.0 - 3.0 %2.0 - 3.0 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NTIME325 / 19294

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