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Iron-nickel soft magnetic alloy 1J79

1J79 is a kind of soft magnetic alloy. Soft magnetic alloy is a magnetic alloy that is easily magnetized under the action of an external magnetic field, and the magnetic induction intensity basically disappears after the magnetic field is removed. Soft magnetic alloys are divided into low-carbon electrical steel and Armco iron, silicon steel sheets, nickel-iron soft magnetic alloys, iron-cobalt soft magnetic alloys, iron-silicon-aluminum soft magnetic alloys, etc. In the power industry, soft magnetic alloys mainly use alloys with high magnetic induction and low core loss in higher magnetic fields. In the electronics industry, alloys with high magnetic permeability and low coercivity in low or medium magnetic fields are mainly used. At high frequencies, thin strips or alloys with higher resistivity must be used. Generally, plates or strips are used.

Classification:

Precision alloy

Keyword: Iron-nickel soft magnetic alloy 1J79

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1. chemical composition

Name

Iron-nickel soft magnetic alloy 1J79

Chemical
Composition
Wt.%

Brand

Chemical composition (mass fraction)（%）

1J79

≤0.03

≤0.02

0.6~1.1

0.30~0.50

78.5~80

3.8~4.1

≤0.20

margin

2. physical properties

Mechanical
Property

Resistivity
μΩ·m

Density
g/cm³

Curie Point
℃

Saturation magnetostriction coefficient

Brinell hardness

HBS

Tensile strength/ Mpa

Yield Strength/ Mpa

Elongation（%）

0.55

8.6

450

Cold hard state

Soft

Cold hard state

Soft

Cold hard state

Soft

Cold hard state

Soft

210

120

1030

560

980

150

3. varieties and specifications

Variety		Specifications
Wire	round wire	F0.15 ~ 13.00mm
Strip	cold rolling	0.15 to 4 × 200mm
Strip	hot rolling	4 to 22 × 200mm
Non-standard can support customization

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Iron-nickel soft magnetic alloy 1J79