Description
HS Magnet’s Alnico 5 (LNG44) block magnet—28 × 28 × 22 mm with a Ø 7 mm through-hole—is specially designed for magnetic clamp systems and precision workholding. Manufactured from premium LNG44 alloy and CNC-ground to tight tolerances, it delivers high flux density, excellent thermal stability and long-term reliability in demanding industrial environments.
Key Features
- Material & Magnetic Properties
• Grade: Alnico 5 (LNG44)
• Remanence (Br): ~ 1.25 T
• Maximum energy product (BHₘₐₓ): ~ 5.8 MGOe (≈ 46 kJ/m³)
• Coercivity (Hcb): ~ 48 kA/m
• Temp. coefficient of Br: + 0.02 %/°C
• Max. operating temperature: 540 °C - Dimensions & Mounting
• Block size: 28.00 mm × 28.00 mm × 22.00 mm
• Through-hole diameter: Ø 7.00 mm
• Standard tolerance: ± 0.10 mm (± 0.05 mm optional) - Surface Finish & Coatings
• Natural grey sintered surface
• Optional coatings: nickel, tin or epoxy for enhanced corrosion resistance
• Precision grinding for superior flatness and parallelism - Packaging & Quality Assurance
• Individually wrapped in anti-corrosion paper
• Foam-padded trays or poly-bags to prevent damage
• Bulk trays, custom blister packs or wooden crates available
• Batch traceability and material certification included
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