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Special Metals NILO™ Alloy 48 Controlled-Expansion Alloy

 

Subcategory: Superalloy; Iron Base; Nickel Base

Key Words: UNS K94800; ASTM F 30; DIN 17745; Werkstoff Nr. 1.3922, 1.3926, 1.3927; AFNOR NF A54-301

Material Notes:
Iron content as remainder; nickel content is nominal value and is adjusted to meet expansion requirements. Inflection point 460°C. A nickel-iron controlled-expansion alloy containing 48% nickel. Its coefficient of thermal expansion is designed to match that of soft lead and soda-lime glasses. The alloy also has a high inflection point. Used for glass-to-metal seals in radio valves and incandescent electric light bulbs and for industrial thermostats that operate at temperatures up to 840°F (450°C). Standard product forms are round, flats, tube, strip, and wire.

Data provided by the manufacturer, Special Metals.

Available Properties
  • Density
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate at Elevated Temperature
  • Tensile Strength, Yield
  • Tensile Strength, Yield at Elevated Temperature
  • Elongation at Break
  • Elongation at Break at Elevated Temperature
  • Electrical Resistivity
  • CTE, linear 20°C
  • CTE, linear 250°C
  • Thermal Conductivity
  • Melting Point
   
Property Data

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