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Special Metals NILO™ Alloy 42 Controlled-Expansion Alloy

 

Subcategory: Superalloy; Iron Base

Key Words: UNS K94100; ASTM F 30, B 753; DIN 17745; S.E.W. 385; Werkstoff Nr. 1.3917; AFNOR NF A54-301

Material Notes:
Iron content as remainder; nickel content is nominal value and is adjusted to meet expansion requirements. Inflection point 370°C. A nickel-iron controlled-expansion alloy containing 42% nickel. It has a low and nominally constant coefficient of thermal expansion from room temperature to about 570°F (300°C). Used for semiconductor lead frames in integrated circuits, bi-metal thermostat strip, thermostat rods, for ceramic-to-metal seals with alumina ceramics, and various glass-to-metal seals such as the core of copper-clad wire for sealing into glass envelopes of electric bulbs, radio valves, television tubes, and fluorescent lights. Standard product forms are tube, sheet, 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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