ATI Allvac® 38-644 UNS R58640 Titanium Alloy

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ATI Allvac® 38-644 UNS R58640 Titanium Alloy
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes:	High-strength, metastable beta alloy. Uses: Spring wire, fasteners, torsion bars for aerospace and automotive applications. Property values are for samples in the metallurgical condition: 1600°F anneal + water quench + age. Information provided by Allvac, An Allegheny Teledyne Company.
Key Words:	AMS 4957, 4958. MIL-T-9046, 9047. MIL-F-83142.
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Physical Properties	Metric	English	Comments

Density	4.81 g/cc	0.174 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	32	32
Tensile Strength, Ultimate	1173 MPa	170100 psi
Tensile Strength, Yield	1104 MPa @Strain 0.2 %	160100 psi @Strain 0.2 %
Elongation at Break	8.0 %	8.0 %
Reduction of Area	15 %	15 %

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.10 %	<= 0.10 %
Hydrogen, H	<= 0.015 %	<= 0.015 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Oxygen, O	<= 0.25 %	<= 0.25 %
Palladium, Pd	0.12 - 0.25 %	0.12 - 0.25 %
Titanium, Ti	99 %	99 %	as balance

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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