Comparison of Magnetic Material Properties
This article is written by New Favor Industry Co., Ltd.
New Favor specializes in the manufacturing and application solutions of high-performance rare earth magnets such as Neodymium Iron Boron (NdFeB), dedicated to providing stable and reliable magnetic component support to clients worldwide.
Whether you are in the electronics, energy, or automation industries, our expertise ensures efficient and precise magnetic solutions tailored to your needs.
There are so many types of magnets，how can a company determine which magnetic material is most suitable for its needs？
The following tables are provided for your reference：
Magnetic Properties Comparison Table 1
| Property Grade | Ferrite Magnet NF12 |
Sintered Neodymium Magnet N55 |
MQ BONDED MAGNET N13L-MQ |
Sintered Alnico Magnet | Cast Alnico Magnet Alnico 9 |
Samarium Cobalt SmCo5 SM24 |
Samarium Cobalt SM2Co17 SM32 |
| Residual Magnetization (Br) |
4.50~4.70 KG | 14.6~15.3 KG | 7.8~8.3 KG | 8.8 KG | 11.5 KG | 9.8 KG | 11.2 KG |
| 450~470 MT | 1460~1530 MT | 780~830 MT | 880 MT | 1150 MT | 980 MT | 1120 MT | |
| 矯頑力 (bHc) |
4.15~4.45 KOe | ≧9.0 KOe | 5~6 KOe | 1.5 KOe | 1.48 KOe | 9.2 KOe | 10 KOe |
| 330~360 KA/m | ≧716 KA/m | 397~477 KA/m | 120 KA/m | 118 KA/m | 730 KA/m | 796 KA/m | |
| 內稟矯頑力 (iHc) |
5.25~5.55 KOe | ≧11 KOe | 6~8 KOe | – | – | 15 KOe | 18 KOe |
| 415~445 KA/m | ≧875 KA/m | 477~637 KA/m | – | – | 1194 KA/m | 1433 KA/m | |
| 最大磁能積 (Bhmax) |
5.0~5.4 MGOe | 52~56 MGOe | 11~13 MGOe | 5.25 MGOe | 12 MGOe | 23 MGOe | 32 MGOe |
| 39.8~43.0 KJ/m³ | 413~445 KJ/m³ | 87.5~103.5 KJ/m³ | 42 KJ/m³ | 183 KJ/m³ | 183 KJ/m³ | 255 KJ/m³ | |
| Operating Temperature (Tw) |
250℃ | 80℃ | 120℃ | 450℃ | 550℃ | 250℃ | 300℃ |
| 剩磁溫度係數 (Coefficient of Br) |
-0.18 %/℃ | -0.09~0.13 %/℃ | -0.12 %/℃ | -0.02 %/℃ | -0.02 %/℃ | -0.04 %/℃ | -0.03 %/℃ |
Magnetic Properties Comparison Table 2 ◎ Highest 〇 High △ Medium × Low
|
Property Grade |
Magnetic Strength |
Heat Resistance |
Corrosion Resistance |
Cost |
|
Sintered Neodymium Magnet |
◎ |
X |
X |
〇 |
|
Ferrite Magnet |
X |
△ |
◎ |
◎ |
|
Cast Alnico Magnet |
△ |
◎ |
〇 |
△ |
|
Samarium Cobalt |
〇 |
〇 |
△ |
X |
If you have any customized magnet requirements or technical inquiries, feel free to contact New Favor Industry Co., Ltd. We will provide the most suitable professional support.
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