Nilo 52• • Trade name of Special Metals Group of Companies
W.NR 2.4478
UNS N14052
AWS 093
UNS N14052
AWS 093
Nilo 52 was designed for use with a variety of soft glasses. It is known for its almost constant coefficient of thermal expansion up to approx. 565oC (1050oF).
Applications include:
- Various glass to metal sealing applications with
soft
glass and ceramics.
| Approximate Chemical Composition | |
| Ni | 52% |
| Fe | BAL |
| DENSITY | 8.3 g/cm3 | 0.300 lb/in3 |
| MELTING POINT | 1450oC | 2640oF |
| INFLECTION POINT | 500°C | 930°F |
| THERMAL CONDUCTIVITY | 17 W/m•°C | 118 btu•in/ft2•h°F |
| COEFFICIENT OF EXPANSION | 10.3 µm/m °C ( 20 - 100°C) |
5.7 x 10-6 in/in
°F ( 70 - 212°F) |
|
HEAT TREATMENT (AFTER FORMING) |
|
The Nilo alloys are usually used in the annealed condition (residual cold work distorts the coefficients of thermal expansion. Anneal at 850 - 1000°C (1560 - 1830°F) |
| CONDITION |
APPROX TENSILE STRENGTH |
APPROX SERVICE TEMPERATURE |
||||
| Annealed | 450-550 N/mm2 | 65-80 ksi | up to 450oC | up to 840oF | ||
| Hard Drawn | 700-900 N/mm2 | 102-131 ksi | up to 450oC | up to 840oF | ||
| STANDARDS |
| ASTM F30 |
