1J22 Tube

1J22 is a soft magnetic alloy with high saturation magnetic induction

Among the existing soft magnetic materials, the alloy has the highest saturation magnetic induction (2.4T), high Curie point (980°C), and the largest saturation magnetostriction coefficient (60-100×10-6). Due to the high saturation magnetic induction, the size can be greatly reduced when making a motor with the same power, and when it is used as an electromagnet, it can generate a large attraction force under the same cross-sectional area. Due to the high Curie point, the alloy can work at a higher temperature where other soft magnetic materials have been completely demagnetized, and maintain good magnetic stability.

Due to the large magnetostriction coefficient, it is extremely suitable as a magnetostrictive transducer, with high output energy and high working efficiency. The alloy has a low resistivity (0.27μΩ·m) and is not suitable for use at high frequencies.

Similar Grades

USA: Hiperco50

United Kingdom: Permendur

Russia: 50КФ

Technical Standard

GB/T 15001—1994 "Size, Shape, Surface Quality, Test Methods and Inspection Rules of Soft Magnetic Alloys"

GB/T 15002—1994 "Technical Conditions for High Saturation Magnetic Induction Soft Magnetic Alloys"

Typical values(Weight %)

Magnetic properties (after heat treatment)

Application Field

• Aviation and aerospace components

• Micro-motor rotors, electromagnet poles, relays, transducers, etc.

• Telephone headset diaphragm

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