Magnetically soft alloys
Super-permalloy

 

Equivalent alloy: 1J85(China)

Overview of Super-permalloy characteristics and application fields:
With high initial permeability () in the weak magnetic field. In the weak magnetic field used in the production of various transformers, transformer, reactor core and magnetic shielding, magnetic amplifier:

Chemical composition:

C

P

S

Mn

Si

Ni

Mo

Cu

Fe

≤0.03

≤0.02

≤0.02

0.3~0.60

0.15~0.30

79.0~81.0

4.80~5.20

≤0.2

Margin

 

Physical properties:

Product category

Thickness or diameter/mm

In0.08 A/m permeability of magnetic field intensityµ0.08

The maxmum permeabilityµm

Coercive force (under saturated magnetic induction intensity)Hc/A/m

Saturated magnetic induction intensityBs/T

Cold rolled strip

mH/m

No less than

No more than 

0.10~0.19

62.5

225

1.2

0.70

0.20~0.34

75

250

1.0

0.70

0.35

68.8

325

0.7

0.70

Hot rolled flat bar (forging)

3~22

37.5

125

1.6

0.70

Hot rolled bar (forging)

8~100

37.5

125

1.6

0.70

 

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