Alnico 5 LNG48 block magnet 40*25*19mm

Description

HS Magnet’s Alnico 5 (LNG48) block magnet, sized 40 × 25 × 19 mm, is designed for applications demanding high flux density, excellent temperature stability and mechanical durability. Manufactured from premium Alnico 5 alloy and precision-ground to tight tolerances, this block delivers reliable magnetic performance in challenging environments.

Key Features

• Material & Magnetic Properties
  • Grade: Alnico 5 (LNG48)
  • Remanence (Br): ~ 1.20 – 1.30 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): 40.00 mm
  • Width (W): 25.00 mm
  • Thickness (T): 19.00 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 ensures 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 certification included