Braze Alloys
Gold Technical Information
High conductivity gold brazing filler
Key Benefits
- Highly ductile, non-oxidizable. Wets most metals
- Suitable for brazing under Vacuum, Hydrogen, inert atmosphere
Typical Applications
- Vacuum tubes
- Aerospace components
Nominal Composition by Weight
- Gold (Au) 99.99%
Forms Available
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Gold Thermal Properties |
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|---|---|---|
|
°C |
°F |
|
|
Liquidus |
1064 |
1947 |
|
Solidus |
1064 |
1947 |
|
Gold Physical Properties* |
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|---|---|---|---|---|
|
Metric |
Imperial |
|||
|
Coefficient of Thermal Expansion (CTE) |
14.2 |
x10-6/°C for 20-500°C |
17.9 |
x10-6/°F for 68-932°F |
|
Thermal Conductivity (Calculated) |
318 |
W/(m*K) |
184 |
BTU/ft h °F |
|
Density |
19.3 |
Mg/m3 |
0.697 |
lb/in3 |
|
Yield Strength (0.2% offset) |
40 |
MPa |
5.7 |
x103 lb/in2 |
|
Tensile Strength |
105 |
MPa |
15 |
x103 lb/in2 |
|
Elongation (2in/50mm gage section) |
45 |
% |
||
|
Electrical Resistivity |
23.5 |
x10-9(ohm*m) |
||
|
Electrical Conductivity |
42.6 |
x106/(ohm*m) |
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|
Recommended Brazing Temperatures |
1075 - 1100 |
°C |
1967 - 2012 |
°F |
|
Recommended Brazing Atmospheres |
10-5 mm Hg, H2, or inert gas |
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* Please note that all values quoted are based on test pieces and may vary according to component design. These values are not guaranteed in any way and should only be treated as indicative values. They should be used for guidance only and for no other purpose whatsoever.