ALLVAR Alloy 30 Negative CTE Titanium Alloy

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ALLVAR Alloy 30 Negative CTE Titanium Alloy
Categories:	Metal; Nonferrous Metal; Titanium Alloy
Material Notes:	A true titanium alloy, ALLVAR Alloy 30 is lightweight, corrosion resistant, non-magnetic, and machinable. ALLVAR Alloys are the only metals in the world that shrink when heated and expand when cooled. Known for their Negative Thermal Expansion (NTE) properties, ALLVAR Alloy 30’s revolutionary properties enable otherwise unachievable passive athermalization in a variety of applications. Current applications include refractive and reflective optics and constant force load fasteners.
Key Words:	Negative Thermal Expansion, Optics, Athermal, CTE
Vendors:	For more information, please contact info@allvaralloys.com or visit ALLVARalloys.com. 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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Mechanical Properties	Metric	English	Comments

Tensile Strength, Ultimate	750 - 850 MPa	109000 - 123000 psi
Tensile Strength, Yield	350 - 450 MPa	50800 - 65300 psi

Thermal Properties	Metric	English	Comments
CTE, linear	26.0 - 32.0 µm/m-°C	14.4 - 17.8 µin/in-°F	Radial (Y and Z Directions)
	-30.0 - -25.0 µm/m-°C @Temperature 20.0 °C	-16.7 - -13.9 µin/in-°F @Temperature 68.0 °F	Instantaneous, Axial
	-30.0 - -25.0 µm/m-°C @Temperature -40.0 - 60.0 °C	-16.7 - -13.9 µin/in-°F @Temperature -40.0 - 140 °F	Mean, Axial
Maximum Service Temperature, Air	100 °C	212 °F
Minimum Service Temperature, Air	<= -150 °C	<= -238 °F

Descriptive Properties
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NALLVAR80 / 287946

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