Titanium Ti-3Al-2.5V (Grade 9), Alpha-Beta Anneal, Quenched

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Titanium Ti-3Al-2.5V (Grade 9), Alpha-Beta Anneal, Quenched
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes:	Information provided by Allvac and the references. High strength-to-weight ratio, lighter than stainless steel. Good corrosion resistance in mildly reducing to highly oxidizing media. Applications: Excellent cold formability, 20-50% higher tensile properties than CP titanium grades. Primarily used in aircraft hydraulic systems. Forms typically available: Sheet, strip, foil and tubing. 3 other heat treatments of this alloy are in MatWeb.
Key Words:	Ti3Al2.5V, UNS R56320; ASTM Grade 9; Half 6-4; Tubing Alloy
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Physical Properties	Metric	English	Comments

Density	4.48 g/cc	0.162 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	300	300
Tensile Strength, Ultimate	620 MPa	89900 psi
Tensile Strength, Yield	530 MPa	76900 psi
Elongation at Break	20 %	20 %
Modulus of Elasticity	100 GPa	14500 ksi	Alpha-annealed in tension.
Tensile Modulus	80.0 GPa @Temperature 230 °C	11600 ksi @Temperature 446 °F
Poissons Ratio	0.30	0.30	alpha annealed
Fracture Toughness	93.0 MPa-m½	84.6 ksi-in½	kJ/m² for J(IC)
Shear Modulus	44.0 GPa	6380 ksi	Alpha-annealed
Charpy Impact	92.0 J	67.9 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000127 ohm-cm	0.000127 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	9.61 µm/m-°C @Temperature 20.0 - 95.0 °C	5.34 µin/in-°F @Temperature 68.0 - 203 °F
	9.67 µm/m-°C @Temperature 20.0 - 205 °C	5.37 µin/in-°F @Temperature 68.0 - 401 °F
	9.86 µm/m-°C @Temperature 20.0 - 315 °C	5.48 µin/in-°F @Temperature 68.0 - 599 °F
	9.97 µm/m-°C @Temperature 20.0 - 540 °C	5.54 µin/in-°F @Temperature 68.0 - 1000 °F	average
Specific Heat Capacity	0.525 J/g-°C	0.125 BTU/lb-°F	Typical value for titanium alloys.
Thermal Conductivity	8.30 W/m-K @Temperature 23.0 °C	57.6 BTU-in/hr-ft²-°F @Temperature 73.4 °F
	11.8 W/m-K @Temperature 315 °C	81.9 BTU-in/hr-ft²-°F @Temperature 599 °F
Melting Point	<= 1700 °C	<= 3090 °F
Solidus	1704 °C	3099 °F
Liquidus	1700 °C	3090 °F
Beta Transus	935 °C	1720 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	2.5 - 3.5 %	2.5 - 3.5 %
Carbon, C	<= 0.050 %	<= 0.050 %
Hydrogen, H	<= 0.015 %	<= 0.015 %
Iron, Fe	<= 0.20 %	<= 0.20 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Other, each	<= 0.050 %	<= 0.050 %
Other, total	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.15 %	<= 0.15 %
Titanium, Ti	92.755 - 95.5 %	92.755 - 95.5 %	As Balance; Elemental Composition per ASTM B265
Vanadium, V	2.0 - 3.0 %	2.0 - 3.0 %

References for this datasheet.

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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MTA323 / 14125

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