Description
HS Magnet’s Alnico 5 LNG44 block magnet (30 × 8 × 20 mm) delivers stable flux, excellent thermal stability and tight dimensional control for a wide range of industrial and audio applications. Made from premium Alnico 5 alloy and CNC-ground on all faces, this compact block magnet ensures repeatable performance in precision magnetic assemblies.
Key Features
Magnetic Properties
- Grade: Alnico 5 (LNG44)
- Remanence (Br): ≈ 1.20 – 1.30 T
- Maximum energy product (BHₘₐₓ): ≈ 5.8 MGOe
- Coercivity (Hcb): ≈ 45 kA/m
- Temperature coefficient of Br: + 0.02 %/°C
- Maximum operating temperature: 540 °C
Dimensions & Tolerances
- Size: 30.00 × 8.00 × 20.00 mm
- Standard tolerance: ± 0.10 mm (± 0.05 mm ultra-tight optional)
- CNC-ground faces ensure flatness, parallelism and squareness
Finish & Coating Options
- Natural grey sintered surface
- Optional corrosion-resistant coatings: nickel, tin or epoxy
Packaging & Quality Assurance
- Individually wrapped in anti-corrosion paper
- Packed in foam-lined trays or polybags to prevent chipping
- Full batch traceability with material certificates and magnetic test reports
- Custom packaging options: blister packs, wooden crates or bulk cartons
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