Description
HS Magnet’s Alnico-5 ring-shaped magnet boasts massive magnetic force and exceptional temperature stability in a robust, industrial-grade design. With an outer diameter of 250 mm, inner diameter of 190 mm and height of 150 mm, each magnet weighs 25 kg—perfect for demanding applications that require reliable, long-lasting performance.
Key Features
- Material & Magnetic Performance
• Alloy: Alnico-5 (Al–Ni–Co–Cu)
• Remanence (Br): ≈ 1.25 T
• Maximum energy product (BHₘₐₓ): ≈ 5.5 MGOe
• Coercivity (Hcj): ≈ 45 kA/m
• Operating temperature up to 450 °C - Dimensions & Tolerance
• Outer diameter: 250 mm
• Inner diameter: 190 mm
• Height (thickness): 150 mm
• Weight: 25 kg per piece
• Standard tolerance: ± 0.5 mm (± 0.2 mm available) - Finish & Magnetization
• Smooth machined surfaces
• Pre-magnetized across the ring cross-section
• Optional pole-identification paint or stickers - Customization & Machining
• CNC-machined grooves, holes or keyways
• Sonder coatings for corrosion resistance
• Small runs to high-volume production
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