Description
HS Magnet’s Alnico 8 Motor Magnets (D12 × 14 × Ø5 mm) are precision-machined ring magnets engineered for demanding rotary and electromagnetic applications. Made from Al–Ni–Co class 8 alloy, they deliver outstanding magnetic stability under high temperatures and resist demagnetization in compact motor and generator designs.
Key Features
- Magnetic Grade: Alnico 8
- Remanence (Br): 1.10 – 1.18 T
- Maximum Energy Product (BHₘₐₓ): 6.2 – 6.8 MGOe
- Intrinsic Coercivity (Hcb): ≈ 100 kA/m
- Temperature Coefficient of Br: +0.02 %/°C
- Maximum Operating Temperature: 550 °C
Dimensions & Tolerances
- Outer Diameter: 12.00 mm ± 0.02 mm
- Thickness: 14.00 mm ± 0.02 mm
- Bore Diameter: Ø 5.00 mm ± 0.02 mm
- Precision-ground surfaces, burr-free edges
Customization Options
- Magnetization direction: axial (through thickness) or diametral (radial)
- Surface treatments: natural metallic, nickel plating or epoxy coating (various colors)
- Tight tolerances down to ± 0.01 mm on request
- Custom packaging: trays, tubes or blister packs
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