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Hysteresis Permanent Magnet Alloy 2J4 With 10-200mm Width Low Magnetizing Force

Place of Origin China
Brand Name XUNSHI
Certification ISO 9001:2015
Model Number 2J4
Minimum Order Quantity 20kg
Price Negotiable
Packaging Details Playwood case
Delivery Time 45-60 days
Payment Terms T/T
Supply Ability 500kg per week

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Product Details
Equal Grade P6 Alloy Spec GB/T 14988-1994
Thickness 0.05-2.0mm Width 10-200mm
Chemical Composition Cobalt-Nickel-Vanadium Type Hysteresis Alloy
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precipitation hardening alloys


cobalt iron alloy


Permanent Magnet Alloy 2J4

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Product Description

2J4 Iron-Cobalt-Nickel-Vanadium Permanent Magnet Alloy Cold Rolled Strip



2J4 is a Iron-Cobalt-Nickel-Vanadium hysteresis alloy which combines the advantage of high hysteresis loss and low magnetizing force.

It exhibits the highest efficiency(loss per unit magnetizing force) of any known material. That is why it is widely used in hysteresis motor applications.

The working temperature of 2J4 is higher, and the magnetic properties of 2J4 alloy will not be reduced in the range of + 150-140°C. Among all kinds of hysteresis alloys, 2J4 is a kind of hysteresis alloys with long application time and large dosage.

A-ONE ALLOY could supply 2J4 hysteresis alloy precision cold rolled strip, thickness range of 0.05-1.0mm, mature technology, stable quality. After years of exploration and practice, the production technology of hysteresis alloy 2J4, 2J9, 2J10 series products is more perfect. Our R&D center has the most authoritative experts of domestic 2J4, 2J9 and 2J10 products. It can provide users with high quality products and accurate technical support.

Density of 2J4: 8.2g/cm 3

Hysteresis motor is widely used in navigation gyroscope, fax communication and various recording instruments because of its simple structure, self-starting, constant torque and no noise. Hysteresis alloy is used to make the rotor of hysteresis motor. It works by means of hysteresis work in a specific (unsaturated) magnetization state. FeCoV hysteresis alloys have good plasticity before tempering. After cold rolling (or cold drawing) with 90% strain, excellent hysteresis properties and strong magnetic anisotropy can be obtained, i.e. the longitudinal magnetic properties are better than the transverse ones. Therefore, if the wire can be used as the hysteresis motor rotor in the production process, its performance will be better, and it will have more development prospects.


Chemical composition

Element C P S Si Mn Co V Ni Fe
Weight(%) ≤0.12 ≤0.025 ≤0.020 ≤0.70 ≤0.70 44.0~46.0 3.4~4.5 5.30~6.70 Balance


Heat treatment

600~660°C, 20~60 min, air cool


Size range

Thickness: 0.05~3.0mm

Width: 10~200mm



  •  High hysteresis loss
  •  Low magnetizing force
  •  Highest efficiency (loss per unit magnetizing force) of any known material



Used for biasing magnets in meters and magnetic actuators, as magnetic coded devices, field coils for DC motors and servos and hysteresis motor laminations.


Hysteresis Permanent Magnet Alloy 2J4 With 10-200mm Width Low Magnetizing Force 0