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Nilo® 52
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Nilo® 52

Available in any of the 'profile options'

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).

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
Ni 50.50 nominal
Fe bal
Mn 0.60
Si 0.30
C 0.05
Cr 0.25
P 0.025
S 0.03
Al 0.10
ASTM F30 W.NR 2.4478
UNS N14052
AWS 093
Designed for use with a variety of soft glasses.
Almost constant coefficient of thermal expansion up to approx. 565°C (1050°F).
Various glass to metal sealing applications with soft glass and ceramics.
Density 8.3 g/cm³ 0.300 lb/in³
Melting Point 1450°C 2640°F
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 of Finished Parts
The Nilo alloys are usually supplied and used in the annealed condition (residual cold work distorts the coefficients of thermal expansion).
Annealing times may vary due to section thickness.
Type Temperature Time (Hr) Cooling
°C °F
Anneal 850 – 1000 1560 – 1830 0.5 Air or water
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 450 – 550 65 – 80 up to +450 up to +840
Hard Drawn 700 – 900 102 – 131 up to +450 up to +840

The above tensile strength ranges are typical. If you require different please ask.

*Trade name of Special Metals Group of Companies

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