Strong Power Alnico 5 Pickup Magnet 40*20*5MM Custom Bar Magnets
Price:
As negotiation
MOQ:
100pcs
Delivery Time:
20-25days
Brand:
UNMAG
Product Description
Strong Power Alnico 5 Pickup Magnet 40×20×5MM Custom Bar Magnets
Product Specifications
| Material | Alnico |
|---|---|
| Size | 40×20×5MM |
| Shape | Block |
| Direction of Magnetization | Thru thickness |
| Tolerance | ±0.1 |
| Grade | Alnico 5 |
Product Overview
These high-performance Alnico bar magnets are composed primarily of iron (Fe), aluminum (Al), nickel (Ni), and cobalt (Co). Manufactured through casting or sintering processes, they offer exceptional magnetic properties for specialized applications.
Key Characteristics
- High temperature stability (450-550°C maximum working temperature)
- Excellent residual induction and energy product
- Extremely hard and brittle material requiring specialized machining
- Low coercive force compared to ceramic and rare earth materials
- Available in common grades Alnico 5 and 8
- Not suitable for repelling or high friction applications
Physical Properties
| Parameter | Value |
|---|---|
| Curie Temperature | 760-890°C |
| Maximum Operating Temperature | 450-550°C |
| Resistivity | 47-54 μΩ.cm |
| Hardness | 520-630 HV |
| Density | 6.9-7.3 g/cm³ |
| Relative Recoil Permeability | 1.7-4.7 μrec |
Manufacturing Process
Mixing
Melting
Casting
Coarse processing
Heat treatment
Finish processing
Magnetization
Common Applications
These Alnico magnets are widely used in separators, sensors, electron tubes, radar systems, holding devices, automotive components (ignition magnetos, distributors), audio equipment (guitar pickups, loudspeakers), security systems, and various industrial applications.
For detailed magnetic properties, .
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Xiamen Un Magnet Co.,Ltd.
Location
Room 503,Building C,No.319,Hubin East Road,Xiamen,China
Contact Person
Sales Department