Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Duplex Annealed

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Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Duplex Annealed
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes:	Alpha Alloy. Silicon is often added to improve creep resistance (See Ti-6242S). Characteristics: Good elevated-temperature performance, good creep strength Applications: High-temp jet engines. Blades, discs, spacers, seals. High performance automotive valves. 1 other heat treatment of this alloy is in MatWeb.
Key Words:	Ti6Al2Sn4Zr2Mo, Ti-6242; Ti-6-2-4-2; UNS R54620
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	4.54 g/cc	0.164 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	304	304	Estimated from Rockwell C.
Hardness, Knoop	330	330	Estimated from Rockwell C.
Hardness, Rockwell C	32	32
Hardness, Vickers	318	318	Estimated from Rockwell C.
Tensile Strength, Ultimate	940 MPa	136000 psi
Tensile Strength, Yield	860 MPa	125000 psi
Elongation at Break	15 %	15 %
Reduction of Area	35 %	35 %
Modulus of Elasticity	113.8 GPa	16510 ksi
Compressive Yield Strength	1070 MPa	155000 psi
Notched Tensile Strength	1170 MPa	170000 psi	K_t (stress concentration factor) = 3.0
Ultimate Bearing Strength	2000 MPa	290000 psi	e/D = 2
Bearing Yield Strength	1620 MPa	235000 psi	e/D = 2
Poissons Ratio	0.32	0.32
Fatigue Strength	280 MPa @# of Cycles 1.00e+7	40600 psi @# of Cycles 1.00e+7	K_t (stress concentration factor) = 3.0
	480 MPa @# of Cycles 1.00e+7	69600 psi @# of Cycles 1.00e+7	unnotched
Shear Modulus	43.1 GPa	6250 ksi	Calculated
Shear Strength	660 MPa	95700 psi	Ultimate shear strength
Charpy Impact	20.0 J	14.8 ft-lb	V-notch
Bend Radius, Minimum	5.0 t @Thickness >=1.80 mm	5.0 t @Thickness >=0.0709 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000190 ohm-cm	0.000190 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	7.70 µm/m-°C @Temperature 20.0 - 100 °C	4.28 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
	8.10 µm/m-°C @Temperature 20.0 - 540 °C	4.50 µin/in-°F @Temperature 68.0 - 1000 °F	average
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F
Thermal Conductivity	7.95 W/m-K	55.2 BTU-in/hr-ft²-°F
	7.10 W/m-K @Temperature 100 °C	49.3 BTU-in/hr-ft²-°F @Temperature 212 °F
Melting Point	<= 1700 °C	<= 3090 °F	Estimated from similar materials
Liquidus	1700 °C	3090 °F	Estimated from similar materials
Beta Transus	990 °C	1810 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	6.0 %	6.0 %
Carbon, C	<= 0.050 %	<= 0.050 %
Hydrogen, H	<= 0.0125 %	<= 0.0125 %
Iron, Fe	<= 0.25 %	<= 0.25 %
Molybdenum, Mo	2.0 %	2.0 %
Nitrogen, N	<= 0.050 %	<= 0.050 %
Other, each	<= 0.10 %	<= 0.10 %
Other, total	<= 0.30 %	<= 0.30 %
Oxygen, O	<= 0.12 %	<= 0.12 %
Tin, Sn	2.0 %	2.0 %
Titanium, Ti	86 %	86 %
Zirconium, Zr	4.0 %	4.0 %

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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