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

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Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Sheet
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes:	Unspecified heat treatment. 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	318	318	Estimated from Rockwell C.
Hardness, Knoop	346	346	Estimated from Rockwell C.
Hardness, Rockwell C	34	34	Estimated from similar materials
Hardness, Vickers	333	333	Estimated from Rockwell C.
Tensile Strength	710 MPa @Temperature 540 °C	103000 psi @Temperature 1000 °F
	830 MPa @Temperature 371 °C	120000 psi @Temperature 700 °F
	890 MPa @Temperature 204 °C	129000 psi @Temperature 399 °F
Tensile Strength, Ultimate	1010 MPa	146000 psi
Tensile Strength, Yield	990 MPa	144000 psi
	570 MPa @Temperature 540 °C	82700 psi @Temperature 1000 °F	0.2% offset
	650 MPa @Temperature 371 °C	94300 psi @Temperature 700 °F	0.2% offset
	760 MPa @Temperature 204 °C	110000 psi @Temperature 399 °F	0.2% offset
Elongation at Break	3.0 %	3.0 %
	10.8 % @Temperature 204 °C	10.8 % @Temperature 399 °F
	11.5 % @Temperature 371 °C	11.5 % @Temperature 700 °F
	17.8 % @Temperature 540 °C	17.8 % @Temperature 1000 °F
Tensile Modulus	120 GPa	17400 ksi
Compressive Yield Strength	1080 MPa	157000 psi	0.2 % Permanent Set
	635 MPa @Temperature 540 °C	92100 psi @Temperature 1000 °F	0.2% offset
	695 MPa @Temperature 371 °C	101000 psi @Temperature 700 °F	0.2% offset
	800 MPa @Temperature 204 °C	116000 psi @Temperature 399 °F	0.2% offset
Compressive Modulus	130 GPa	18900 ksi
Poissons Ratio	0.32	0.32	duplex annealed
Fracture Toughness	148 MPa-m½	135 ksi-in½	Plane-Strain
Shear Modulus	45.5 GPa	6600 ksi	Calculated
Shear Strength	690 MPa	100000 psi	Ultimate shear strength

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	7.10 W/m-K	49.3 BTU-in/hr-ft²-°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 %
Titanium, Ti	88 %	88 %
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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MTA642 / 14133

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