Description
HS Magnet’s Alnico Class 8 Ring Magnet (outer Ø 57.05 mm × inner Ø 45.35 mm × thickness 5.5 mm) is machined from premium Alnico 8 alloy to deliver a concentrated, uniform magnetic field and outstanding temperature resistance. Its slim ring profile and precision-ground faces make it perfect for compact, high-reliability applications.
Key Features
- Material & Magnetic Properties
• Grade: Alnico 8
• Remanence (Br): ≈ 0.60 – 0.65 T
• Intrinsic coercivity (Hci): ≈ 110 – 130 kA/m
• Maximum energy product (BHₘₐₓ): ≈ 6.0 – 6.8 MGOe
• Maximum operating temperature: up to 550 °C - Dimensions & Tolerances
• Outer diameter: 57.05 mm
• Inner diameter (bore): 45.35 mm
• Thickness: 5.50 mm
• Standard tolerance: ± 0.05 mm (± 0.02 mm optional) - Surface Finish & Coatings
• Standard: oxide-passivated
• Optional: nickel, Ni–Cu–Ni, gold plating or epoxy coating for enhanced corrosion resistance
• Precision-ground pole faces and edges for consistent field distribution - Packaging & Handling
• Individually foam-padded or tray-packed to prevent chipping
• Supplied with magnetic warning labels and handling instructions
• Custom bulk, blister or kit packaging available on request
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