Nickel Brazing Alloy Ni74-Ti
Nominal Chemical
Composition
REFERENCES
Nickel Brazing Alloy ProceduresINTRODUCTION
Aufhauser Ni74-Ti is a nickel-chromium-iron brazing alloy. It is used for brazing niobium, tantalum, molybdenum, ceramics, graphite, carbon-to-carbon composites.
APPLICATIONS
Medical instruments, oil refining systems, electronics, cooling systems of nuclear reactors, molybdenum pipes brazed to graphite blocks of nuclear reactor divertors, aerospace materials.
Chemical Composition, wt. %
| Ni | Cr | Fe | Ti |
|---|---|---|---|
| 73 - 74 | 16 - 17 | 8 - 9 | 0.3 - 0.5 |
PHYSICAL and MECHANICAL PROPERTIES
| Solidus | 2470°F (1355°C) |
| Liquidus | 2588°F (1420°C) |
| Recommended Brazing Temperature | 2606 - 2642°F (1430 - 1450°C) |
| Density | 8.5 g/cm3 (0.307 lb/in3) |
| Coefficient of Thermal Expansion | 13.48 x 10-6 m/m x °C-1 (7.4 x 10-6 in/in x °F-1) |
STANDARD SIZES AND FORMS
| Foil |