PHYNICX 80 - FeNi80Mo5

This soft magnetic FeNi80Mo5 nickel-iron alloy, also know as Mumetal, has a typically very high permeability. Excellent properties to shield larger magnetic fields. Mumetal however has a relatively low saturation level.


Nominal Ni Mo Fe µMax DC
PHYNICX 80 79-82 3,5-6,0 Balance >> 200.000
Applicable norms ASTM A753 Alloy 4 | DIN 17405 RNi2 RNi5



Typical functions in technologies

  • Magnetic shielding
  • Induction and magnetic field generation
  • Core material transformers
  • Chokes
  • (Current) Sensors
  • vacuum chamber vessels and liners

Typical industries that apply this material in their technology

  • Watch industry
  • Electronics
  • Electric power generation
  • Electron beam technologies

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