Alloy 42 (Nilo 42) is a nickel-iron controlled-expansion alloy containing 42% nickel. Alloy 42 (Nilo 42) has a low and normally constant coefficient of thermal expansion from room temperature to about 300ºC (570ºF). Alloy 42 (Nilo 42) is 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.
Nickel Iron Alloy 42/ Nilo 42 (ASTM F30)
|Chemical Composition Limits|
|41 min||0.05 max||0.80 max||0.025 max||0.025 max||0.030 max||0.250 max||0.10 max||Rem|
Size 6mm To 200mm Dia Round Bar.
SIZE 6MM TO 200MM DIA ROUND BAR.
SIZE 1MM TO 100MM THICKNESS PLATE.
SIZE 6MM TO 350MM OD PIPE .
SIZE 0.5MM TO 6MM DIA WIRE.
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