Titanium Beta III (Ti-11.5Mo-6Zr-4.5Sn; Grade 10), ST 775°C, Aged 495°C

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Titanium Beta III (Ti-11.5Mo-6Zr-4.5Sn; Grade 10), ST 775°C, Aged 495°C
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Beta Titanium Alloy
Material Notes:	Microstructure: Beta alloy, can be aged without forming intermetallic compounds. Characteristics: High strength, good hardenability, good resistance to stress corrosion, good cold-formability. Applications: Aircraft fasteners and sheet metal parts, to a lesser extent - plate and forging applications. 5 other heat treatments of this alloy are in MatWeb.
Key Words:	Ti-11.5Mo-6Zr-4.5Sn; UNS R58030; Beta 3
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Physical Properties	Metric	English	Comments

Density	5.06 g/cc	0.183 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	350	350
Tensile Strength, Ultimate	1320 MPa	191000 psi
Tensile Strength, Yield	1230 MPa	178000 psi
Elongation at Break	4.0 %	4.0 %
Reduction of Area	35 %	35 %
Modulus of Elasticity	108 GPa	15700 ksi	Sample STA 720°C/495°C
Compressive Yield Strength	1370 MPa	199000 psi
Notched Tensile Strength	1450 MPa	210000 psi	K_t (stress concentration factor) = 6.1
Poissons Ratio	0.31	0.31	After ST 720ºC , Aged 495ºC
Fatigue Strength	150 MPa @# of Cycles 1.00e+7	21800 psi @# of Cycles 1.00e+7	K_t (stress concentration factor) = 6.1 (STA sheet)
	290 MPa @# of Cycles 30000	42100 psi @# of Cycles 30000	K_t (stress concentration factor) = 6.1 (STA sheet)
	950 MPa @# of Cycles 1.00e+7	138000 psi @# of Cycles 1.00e+7	(plate), Unnotched
	1050 MPa @# of Cycles 20000	152000 psi @# of Cycles 20000	(plate), Unnotched
Shear Modulus	41.0 GPa	5950 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000156 ohm-cm	0.000156 ohm-cm
Magnetic Permeability	1.0	1.0

Thermal Properties	Metric	English	Comments
CTE, linear	7.60 µm/m-°C @Temperature 20.0 - 100 °C	4.22 µin/in-°F @Temperature 68.0 - 212 °F
	8.10 µm/m-°C @Temperature 20.0 - 315 °C	4.50 µin/in-°F @Temperature 68.0 - 599 °F	average
	8.70 µm/m-°C @Temperature 20.0 - 540 °C	4.83 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	6.28 W/m-K	43.6 BTU-in/hr-ft²-°F
Melting Point	1573 - 1690 °C	2863 - 3070 °F
Solidus	1573 °C	2863 °F
Liquidus	1690 °C	3070 °F
Beta Transus	760 °C	1400 °F	Slow transition kinetics

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.10 %	<= 0.10 %
Hydrogen, H	<= 0.020 %	<= 0.020 %
Iron, Fe	<= 0.35 %	<= 0.35 %
Molybdenum, Mo	11.5 %	11.5 %
Nitrogen, N	<= 0.050 %	<= 0.050 %
Other, each	<= 0.010 %	<= 0.010 %
Other, total	<= 0.040 %	<= 0.040 %
Oxygen, O	<= 0.18 %	<= 0.18 %
Tin, Sn	4.5 %	4.5 %
Titanium, Ti	78 %	78 %
Zirconium, Zr	6.0 %	6.0 %

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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MTB034 / 14156

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