Braze Alloys
Gemco® Technical Information
High-purity palladium and cobalt alloy for vacuum brazing
Key Benefits
- Economical high temperature hermitic bonding
Suggested Base Materials
- Copper, Kovar
- Nickel
- Carbon/ low alloy
- Tool/high speed steel
- Stainless steel
- Ni-super alloys
Nominal Composition by Weight
- Copper (Cu): 87.75%
- Germanium (Ge): 12%
- Nickel (Ni): 0.25%
Forms Available
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Gemco® Thermal Properties |
||
|---|---|---|
|
°C |
°F |
|
|
Liquidus |
975 |
1787 |
|
Solidus |
880 |
1616 |
|
Gemco® Physical Properties* |
||||
|---|---|---|---|---|
|
Metric |
Imperial |
|||
|
Thermal Conductivity (Calculated) |
24.3 |
W/(m*K) |
14 |
BTU/ft h °F |
|
Density |
8.82 |
Mg/m3 |
0.318 |
lb/in3 |
|
Yield Strength (0.2% offset) |
117 |
MPa |
17.0 |
x103 lb/in2 |
|
Tensile Strength |
306 |
MPa |
44.4 |
x103 lb/in2 |
|
Elongation (2in/50mm gage section) |
45 |
% |
||
|
Electrical Resistivity |
311 |
x10-9(ohm*m) |
||
|
Electrical Conductivity |
3.22 |
x106/(ohm*m) |
||
|
Recommended Brazing Temperature |
1000 - 1025 |
°C |
1832 - 1877 |
°F |
|
Recommended Brazing Atmospheres |
10-5 mm Hg |
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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.