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	Original Value	Comments

Density	4.54 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	318	Estimated from Rockwell C.
Hardness, Knoop	346	Estimated from Rockwell C.
Hardness, Rockwell C	34	Estimated from similar materials
Hardness, Vickers	333	Estimated from Rockwell C.
Tensile Strength	710 MPa @Temperature 540 °C
	830 MPa @Temperature 371 °C
	890 MPa @Temperature 204 °C
Tensile Strength, Ultimate	1010 MPa
Tensile Strength, Yield	990 MPa
	570 MPa @Temperature 540 °C	0.2% offset
	650 MPa @Temperature 371 °C	0.2% offset
	760 MPa @Temperature 204 °C	0.2% offset
Elongation at Break	3.0 %
	10.8 % @Temperature 204 °C
	11.5 % @Temperature 371 °C
	17.8 % @Temperature 540 °C
Tensile Modulus	120 GPa
Compressive Yield Strength	1080 MPa	0.2 % Permanent Set
	635 MPa @Temperature 540 °C	0.2% offset
	695 MPa @Temperature 371 °C	0.2% offset
	800 MPa @Temperature 204 °C	0.2% offset
Compressive Modulus	130 GPa
Poissons Ratio	0.32	duplex annealed
Fracture Toughness	148 MPa-m½	Plane-Strain
Shear Modulus	45.5 GPa	Calculated
Shear Strength	690 MPa	Ultimate shear strength

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000190 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	7.70 µm/m-°C @Temperature 20.0 - 100 °C
	8.10 µm/m-°C @Temperature 20.0 - 315 °C	average
	8.10 µm/m-°C @Temperature 20.0 - 540 °C	average
Specific Heat Capacity	0.460 J/g-°C
Thermal Conductivity	7.10 W/m-K
Melting Point	<= 1700 °C	Estimated from similar materials
Liquidus	1700 °C	Estimated from similar materials
Beta Transus	990 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	6.0 %
Carbon, C	<= 0.050 %
Hydrogen, H	<= 0.0125 %
Iron, Fe	<= 0.25 %
Molybdenum, Mo	2.0 %
Nitrogen, N	<= 0.050 %
Other, each	<= 0.10 %
Other, total	<= 0.30 %
Oxygen, O	<= 0.12 %
Titanium, Ti	88 %
Zirconium, Zr	4.0 %

References for this datasheet.

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MTA642 / 14133

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