Titanium Ti-11.5Mo-6Zr-4.5Sn, ST 720°C, Aged 495°C

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Titanium Ti-11.5Mo-6Zr-4.5Sn, ST 720°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 Beta III; UNS R58030
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Physical Properties	Metric	English	Comments

Density	5.06 g/cc	0.183 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	369	369	Estimated from Rockwell C.
Hardness, Knoop	403	403	Estimated from Rockwell C.
Hardness, Rockwell C	40	40
Hardness, Vickers	386	386	Estimated from Rockwell C.
Tensile Strength	>= 1070 MPa @Temperature 371 °C	>= 155000 psi @Temperature 700 °F
Tensile Strength, Ultimate	1240 MPa	180000 psi
Tensile Strength, Yield	1200 MPa	174000 psi
Elongation at Break	6.0 %	6.0 %
Reduction of Area	10 %	10 %
Creep Strength	689 MPa @Temperature 371 °C, Time >=3.60e+6 sec	99900 psi @Temperature 700 °F, Time >=1000 hour	strain 0.4%
Rupture Strength	1030 MPa @Temperature 371 °C, Time 3.60e+6 sec	149000 psi @Temperature 700 °F, Time 1000 hour
Modulus of Elasticity	108 GPa	15700 ksi
Modulus of Rigidity	40.7 GPa	5900 ksi
Compressive Yield Strength	1280 MPa	186000 psi
Compressive Modulus	110 GPa	16000 ksi
Notched Tensile Strength	1520 MPa	220000 psi	K_t (stress concentration factor) = 6.1
Poissons Ratio	0.31	0.31
Fatigue Strength	380 MPa @# of Cycles 1.00e+7	55100 psi @# of Cycles 1.00e+7	K_t (stress concentration factor) = 3.0
	590 MPa @# of Cycles 1.00e+7	85600 psi @# of Cycles 1.00e+7
	1000 MPa @# of Cycles 1.00e+6	145000 psi @# of Cycles 1.00e+6
Fracture Toughness	60.0 MPa-m½	54.6 ksi-in½	K(IC)
Shear Modulus	41.0 GPa	5950 ksi
Shear Strength	720 MPa	104000 psi	Ultimate shear strength
Charpy Impact	8.13 J	6.00 ft-lb

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	<= 0.080 %	<= 0.080 %
	<= 0.10 %	<= 0.10 %
Hydrogen, H	<= 0.020 %	<= 0.020 %
	<= 0.020 %	<= 0.020 %
Iron, Fe	<= 0.35 %	<= 0.35 %
	<= 0.35 %	<= 0.35 %
Nitrogen, N	<= 0.050 %	<= 0.050 %
	<= 0.050 %	<= 0.050 %
Other, each	<= 0.010 %	<= 0.010 %
	<= 0.050 %	<= 0.050 %
Other, total	<= 0.040 %	<= 0.040 %
	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.18 %	<= 0.18 %
	<= 0.18 %	<= 0.18 %
Tin, Sn	3.75 - 5.25 %	3.75 - 5.25 %
Titanium, Ti	86.27 - 91.75 %	86.27 - 91.75 %	As Balance; Elemental Composition per ASTM B265
Zirconium, Zr	4.5 - 7.5 %	4.5 - 7.5 %

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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MTB031 / 14153

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