Description

1J*8 is a kind of nickel-iron-Niobium soft magnetic alloy which has extremely high initial permeability, high resistance and hardness. Similar alloys names in different standards:

Beiye designation China Standard designation America designation

1J*8

Japan designation Germany designation International designation

PC**2

The typical applications of this alloy are:

Sensors

Transformers

Amplifiers

Relays

Loudspeakers

Earth leakage circuit breakers

Shielding

TYPICAL CHEMICAL COMPOSITION in WEIGHT percent：

C ≤0.*3 Ni *0.0

Si ≤0.*0 Nb     8.2

Mn ≤0.*0 Fe bal.

Typical Magnetic Properties *:

DC magnetic properties

Thickness 0.***1.0mm (0.****0.*4in)

Saturation Induction (at *0A/m) 0.*5T (5 **0Gs) -

Coercive force ≤2. 0A/m (0.**5Oe) -

Initial permeability (at 0.*8A/m) ≥*7.5mH/m(*0 **0Gs/Oe)

Maximinal permeability       ≥**5mH/m(**0 **0Gs/Oe)

* Typical values measured on rings sample after annealed at ***0°C in pure & dry Hydrogen and then tempered.