Permanent Alnico 5 Magnets Magnetic Sintered Alnico Ring Magnet
| Attribute | Value |
|---|---|
| Application | Generator, Microphone, Measuring Instrument |
| Type | Permanent Magnet |
| Tolerance | ±0.05mm |
| Max Operating Temperature | 550℃ |
| BHmax | 1.13-9 MGOe |
| Grade | Alnico 5,8 Is Normally Used |
| Magnetization Direction | Axial, Radial, Multi-poles |
| Material | Cast Alnico |
Alnico5 magnets feature high coercivity (Hcj) of ≥30 KA/m and maximum operating temperature of 550℃. These high-performance permanent magnets are manufactured from cast Alnico material, typically grades Alnico 5 or Alnico 8, offering exceptional temperature stability and magnetic properties.
- Excellent temperature stability for high heat applications (450-550℃)
- High residual induction and energy product compared to ceramic materials
- Available in various magnetization directions: axial, radial, and multi-poles
- Superior performance in demanding applications like generators and precision instruments
- Hard and brittle material properties (not suitable for conventional machining)
| Parameter Name | Value |
|---|---|
| Cruie Temperature | 760 ~ 890℃ |
| Max. Operating Temperature | 450 ~ 550℃ |
| Resistivity | 47 ~ 54 μΩ.cm |
| Hardness | 520 ~ 630 HV |
| Density | 6.9 ~ 7.3 g/cm³ |
| Relative Recoil Permeability | 1.7 ~ 4.7 μrec |
| Saturation Field Strength | 2.7 ~ 6.3 kOe / 215~500 kA/m |
| Temperature Coefficient of Br | -0.025 ~ -0.02%/℃ |
| Temperature Coefficient of iHc | +0.01 ~ +0.03 %/℃ |
UNMAG Alnico Permanent Magnets provide reliable solutions for various industrial applications:
- Generators and motors
- Precision measuring instruments
- Microphone components
- High-temperature environments
Our Alnico Permanent Magnets are precision-engineered from Cast Alnico 5 material with:
- High coercivity (Hcj) ≥30 KA/m
- Tight tolerance of ±0.05mm
- Strict quality control standards
- Reliable 25-30 day delivery
Alnico Permanent Magnets are securely packaged in protective cases with foam-lined interiors to prevent damage during transit. Our packaging includes:
- Cardboard boxes with shrink wrap protection
- Plastic bags for moisture resistance
- Foam separation to prevent magnet adhesion
- Sealed shipping containers with proper labeling
Available in various grades (Alnico 5, 8) and magnetization directions to meet specific application requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.