FeCrCo permanent magnet material appeared in the early 1970s. It belongs to the age-hardening deformable permanent magnet material. Its alloy composition range is very wide, the basic composition is 20~33% Cr, 3~25% Co, and the rest is Fe. FeCrCo permanent magnet material has a high Curie temperature (Tc=680℃ or so), and the use temperature can reach 400℃. The reversible temperature coefficient is very small, and the magnetic property is stable at high temperature. It is suitable for high-precision components requiring high stability. FeCrCo is known as transformers in permanent magnet, easy metal processing, especially wire drawing and tube drawing, which is not compared with other permanent magnet materials. FeCrCo alloy can be made into bars, strips, wires and pipes through cold thermoplastic deformation. It can also be cold blanking, bending, drilling and various cutting processes to make a variety of complex magnet components. FeCrCo bar magnet produced by YanHe Magtech is mainly used in aviation instrument, Marine instrument, automobile instrument, oil logging instrument, level indicator, signal generator, anti-theft device, counter, embroidery machine, hearing aid brake and other fields.
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Typical Magnetic Performance for FeCrCo magnet
Grade | Remanence | Coercive Force | Intrinsic Coercive | Max Energy | Density | Remark | ||||
Br | Hcb | Hcj | (BH)max | |||||||
KGs | mT | KA/m | Oe | KA/m | Oe | KJ/m³ | MGOe | g/cm³ | ||
FeCrCo10/3 | 8.2 | 820 | 27 | 340 | 29 | 360 | 10 | 1.25 | 7.6 | Isotropic |
FeCrCo12/4 | 8 | 800 | 40 | 500 | 42 | 530 | 12 | 1.5 | 7.6 | |
FeCrCo28/5 | 10 | 1000 | 45 | 570 | 46 | 580 | 28 | 3.5 | 7.6 | Anisotropic |
FeCrCo30/4 | 11.5 | 1150 | 40 | 500 | 41 | 510 | 30 | 3.8 | 7.6 | |
FeCrCo35/5 | 10.5 | 1050 | 50 | 630 | 51 | 640 | 35 | 4.4 | 7.6 | |
FeCrCo36/5 | 12 | 1200 | 52 | 660 | 54 | 680 | 36 | 4.5 | 7.8 | |
FeCrCo44/4 | 13 | 1300 | 44 | 560 | 45 | 570 | 44 | 5.5 | 7.7 | |
FeCrCo52/5 | 13.5 | 1350 | 48 | 600 | 49 | 620 | 52 | 6.5 | 7.7 | |
