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Iron-Nickel Controlled-Expansion Alloy 

Alloy 42  is a nickel-iron controlled-expansion alloy containing 42% nickel. Alloy 42 has a low and normally constant coefficient of thermal expansion from room temperature to about 300ºC (570ºF). Alloy 42 has widespread uses in electrical and electronic applications.Examples include glass-to-metal applications such as sealed beam headlights, capacitors and transformer bushings.  Precision measuring tools, clamps and fixtures .

Specification :Iron Nickel Alloy 42 strip coil is specified by...
 ...  ASTM F30
 ...  MIL-I-23011-C
 ...  UNS K94100
 ...  W.Nr. 1.3917

Tempers for Strip / CoilWe offer Iron Nickel Alloy 42 strip / coil in custom Tempers from soft Annealed to Full Hard.

Forms of supply 

Rod Dia.20 to 180mm Strip  T0.1 to 3.0mm Sheet  3.0 to 40.0
Surface Finish Surface Finish
Surface Finish
Ground Surface Bare Black / Bright Surface