Description
HS Magnet’s Alnico 5 large rectangular magnet (61 × 44.5 × 19.7 mm) is designed for demanding industrial and instrumentation applications. Crafted from premium Al–Ni–Co alloy, this block magnet offers exceptional thermal stability, high remanence and versatile customization for sensors, actuators, magnetic clutches and more.
Key Features
- Material & Grade
• Alnico 5 (Al–Ni–Co alloy)
• Remanence (Br): ≈ 1.25 T
• Maximum energy product (BHₘₐₓ): 5.5–7.0 MGOe
• Coercivity (Hcj): ≈ 30 kA/m
• Operating temperature up to 540 °C - Dimensions & Tolerances
• Length: 61 mm
• Width: 44.5 mm
• Thickness: 19.7 mm
• Standard tolerance: ± 0.1 mm (tighter tolerances ± 0.02 mm available) - Magnetization Options
• Through-thickness (flat faces North/South)
• Radial (edge poles)
• Custom multi-pole or segmented patterns - Surface Finish & Coatings
• Natural Alnico finish
• Optional coatings: epoxy resin, nickel, zinc or chemical passivation for enhanced corrosion resistance - Custom Fabrication
• Precision CNC machining: holes, slots, chamfers, countersinks
• Rapid prototyping to large-volume production
• In-house magnetization and assembly services
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