Materion Wambraze™ WB280 80Au/20Sn Solder

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Materion Wambraze™ WB280 80Au/20Sn Solder
Categories:	Metal; Nonferrous Metal; Precious Metal; Gold Alloy; Solder/Braze Alloy
Material Notes:	High-purity vacuum cast materials are manufactured by Williams in a variety of solder alloys, including gold brazing alloys for electronic packaging and high temperature joining vacuum electronic devices. All Williams solder alloys and gold brazing alloys are available in a variety of shapes and forms, including ribbon, preform, rod, ring, wire, and custom shapes. Powders are available in select WAMBRAZE™ alloys. Trace Impurities for Brazing Alloys: C: 50 ppm max P and Pb: 20 ppm max Ca, Cd, Cs, Li, Mg, Na, Rb, S, Sb, Se, Sr, Te, Ti, Zn: each 10 ppm max Total 100 ppm max Hg: None detected Information provided by Williams Advanced Alloys Former product of Williams Advanced Alloys. Williams Advanced Alloys is now a part of Materion.
Key Words:	AuSn
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Physical Properties	Original Value	Comments

Density	14.18 g/cc
	14.53 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength	40000 psi
	40000 psi
Tensile Strength, Yield	36500 psi
	36500 psi
Elongation at Break	2.1 %
	2.10 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000207 ohm-cm
	0.0000207 ohm-cm	8.3% IACS

Thermal Properties	Original Value	Comments
CTE, linear	16.0 µm/m-°C @Temperature 20.0 - 250 °C
Thermal Conductivity	58.0 W/m-K
	58.0 W/m-K
Melting Point	280 °C
Solidus	280 °C
Liquidus	280 °C

Processing Properties	Original Value	Comments
Processing Temperature	320 - 340 °C	Peak

Component Elements Properties	Original Value	Comments
Gold, Au	80 %
Tin, Sn	20 %

Descriptive Properties
Compare To:	Orotin

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 go back to viewing the property data in MatWeb's normal format.

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NWILL34 / 19922

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