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Nilo 36

Nilo 36*

Available in any of the 'profile options'

A Nickel-Iron, low expansion alloy containing 36% Nickel. It maintains near constant dimensions over the range of normal atmospheric temperatures and has a low coefficient of expansion from cryogenic temperatures to about 500oC (930oF). Nilo 36 also retains good strength and toughness at cryogenic temperatures.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
Ni 35.00 38.00
Fe bal
C - 0.10
Mn - 0.60
P - 0.025
S - 0.03
Si - 0.35
Cr - 0.50
Mo - 0.50
Co - 1.00
- W.NR 1.3912
UNS K93600
UNS K93601
AWS 090
Low expansion alloy. Maintains near constant dimensions over the range of normal atmospheric temperatures.
Low coefficient of expansion from cryogenic temperatures to about +500°C (+930°F). Retains strength and toughness at cryogenic temperatures.
Standards of length (measurement reference)
Thermostat rods
Laser components
Tanks and piping for the storage and transportation of liquefied gasses
Density 8.11 g/cm³ 0.293 lb/in³
Melting Point 1430°C 2610°F
Inflection Point 220°C 430°F
Thermal Conductivity 10.0 W/m•°C 69.3 btu•in/ft2•h°F
Coefficient of Expansion 1.5 µm/m °C (20 - 100°C)
2.6 µm/m °C (20 - 200°C)
0.83 x 10-6 in/in °F (70 - 212°F)
1.4 x 10-6 in/in °F (70 - 392°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
For highest dimensional stability   830
300
100
1525
570
212
0.5
1
48
Water
Water
Air
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 450 - 550 65 - 80 up to +500 up to +930
Hard Drawn 700 - 900 102 - 131 up to +500 up to +930

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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