Description
HS Magnet’s Alnico 5 (LNG44) block magnet (28 × 28 × 15 mm) features a precision-drilled Ø5.5 mm center hole, engineered for robust magnetic clamp fixtures and demanding thermal environments. Crafted from premium Alnico 5 alloy and ground to tight tolerances, this magnet delivers outstanding remanence, temperature stability and mechanical durability.
Key Features
- Material & Magnetic Properties
- Grade: Alnico 5 (LNG44)
- Remanence (Br): ~ 1.20 – 1.25 T
- Maximum energy product (BHₘₐₓ): ~ 5.5 MGOe (≈ 44 kJ/m³)
- Coercivity (Hcb): ~ 45 – 50 kA/m
- Temperature coefficient of Br: + 0.02 %/°C
- Maximum operating temperature: 540 °C
- Dimensions & Tolerances
- Length (L): 28.00 mm
- Width (W): 28.00 mm
- Thickness (T): 15.00 mm
- Center hole diameter: Ø 5.50 mm
- Standard tolerance: ± 0.10 mm (± 0.05 mm optional)
- Surface Finish & Coatings
- Natural gray sintered surface
- Optional coatings: nickel, tin or epoxy for enhanced corrosion resistance
- Precision grinding for flatness and parallelism
- Packaging & Handling
- Individually wrapped in anti-corrosion paper
- Foam-padded or poly-bagged to prevent chipping
- Supplied in bulk trays, custom blister packs or wooden crates
- Batch traceability and material certificate included
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