Braze Alloys
Gapasil® 9 Technical Information
High-purity silver, palladium and gallium alloy for vacuum brazing
Key Benefits
- Ductile, corrosion resistant
- Joins Ti to Ti and Ti to stainless steel
Typical Applications
- Dissimilar metallic interface fittings
Nominal Composition by Weight
- Silver (Ag): 82%
- Palladium (Pd): 9%
- Gallium (Ga): 9%
Suggested Base Materials
- Kovar, Copper, Nickel, Carbon/low alloy & Tool/high speed steel, Titanium, Stainless steel, Refractory, Tungsten carbide
Forms Available
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Gapasil® 9 Thermal Properties |
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|---|---|---|
|
°C |
°F |
|
|
Liquidus |
880 |
1616 |
|
Solidus |
845 |
1533 |
|
Gapasil® 9 Physical Properties* |
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|---|---|---|---|---|
|
Metric |
Imperial |
|||
|
Thermal Conductivity (Calculated) |
55.6 |
W/(m*K) |
31.7 |
BTU/ft h °F |
|
Density |
10.3 |
Mg/m3 |
0.372 |
lb/in3 |
|
Yield Strength (0.2% offset) |
118 |
MPa |
17.1 |
x103 lb/in2 |
|
Tensile Strength |
286 |
MPa |
4.1 |
x103 lb/in2 |
|
Elongation (2in/50mm gage section) |
41 |
% |
||
|
Electrical Resistivity |
136 |
x10-9(ohm*m) |
||
|
Electrical Conductivity |
7.4 |
x106/(ohm*m) |
||
|
Recommended Brazing Temperatures |
900 - 925 |
°C |
1652 - 1697 |
°F |
|
Recommended Brazing Atmospheres |
10-5 mm Hg 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.