Description
HS Magnet’s Alnico 5DG LNG48 block magnet (38 × 20 × 30 mm) is engineered for demanding industrial and electromechanical applications. Crafted from our high-performance Alnico 5DG (Digital Grade) alloy and precision CNC-ground on all faces, this block magnet delivers stable, high-flux output and excellent thermal stability up to 540 °C.
Key Features
- Magnetic Grade: Alnico 5DG (Digital Grade)
- Remanence (Br): ≈ 1.20 – 1.30 T
- Maximum Energy Product (BHₘₐₓ): ≈ 5.8 – 6.2 MGOe
- Coercivity (Hcb): ≈ 45 – 55 kA/m
- Temperature Coefficient of Br: + 0.02 %/°C
- Maximum Operating Temperature: 540 °C
Dimensions & Tolerances
- Magnet size: 38.00 × 20.00 × 30.00 mm
- Standard tolerance: ± 0.05 mm (± 0.02 mm ultra-tight optional)
- CNC-ground faces ensure exceptional flatness, parallelism, and uniform flux
Surface Finish & Coatings
- Natural grey, sintered surface
- Optional corrosion-resistant plating: nickel, tin, or epoxy
Packaging & Quality Assurance
- Individually wrapped in anti-corrosion paper
- Packaged 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, bulk cartons
Typical Applications
- Magnetic sensors and encoders
- Actuators and solenoids
- Electric motors and generators
- Magnetic chucks, fixtures, and workholding
- Robotics end-effectors and automation equipment
Why Choose HS Magnet?
- 20+ years of expertise in Alnico and rare-earth magnet design
- In-house sintering, CNC machining, and coating for complete process control
- 100 % inspection of magnetic properties and dimensional accuracy
- Flexible MOQs: from single prototypes to high-volume production
- Fast global shipping and responsive technical support
Contact HS Magnet today to discuss custom sizes, special tolerances, or bespoke packaging for your next magnet application.
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