CORT MAGNETS

Big Cast AlNiCo Magnet 5 Ring Permanent Magnet丨CORT

Big Cast AlNiCo Magnet Product Specification Table

ProjectSpecification
Material GradeAlNiCo 5 (Aluminum-Nickel-Cobalt Alloy)
Magnet TypePermanent
ShapeRing (Annular)
Dimensions160×120×20mm (Outer Diameter×Inner Diameter×Thickness)
Magnetism DirectionAxial or Customizable
Processing ServicesBending, Welding, Decoiling, Cutting, Punching, Moulding
Sample SupportYES
Remanence (Br)1.2-1.3 T (12000-13000 Gauss)
Coercivity (HcB)48-56 kA/m (600-700 Oe)
Max Energy Product37-44 kJ/m³ (4.6-5.5 MGOe)
Operating Temperature-250℃~550℃
Curie Temperature860℃
Tolerance±0.1mm (Customizable to ±0.05mm)
Surface TreatmentNickel Plating (Optional: Zinc, Epoxy Coating)

Big Cast AlNiCo Magnet Detailed Features

  • Large-Size Casting Technology: Precision-cast annular structure with 160mm outer diameter, enabling large-scale magnetic field applications in industrial equipment.
  • Versatile Processing Capabilities: Comprehensive manufacturing services including bending, welding, cutting, and punching to meet complex industrial requirements.
  • Customizable Magnetization: Axial magnetization as standard with optional radial or multi-pole magnetization patterns available upon request.
  • Industrial-Grade Durability: Maintains stable magnetic performance in extreme temperatures (-250℃~550℃), suitable for heavy machinery operating environments.
  • Exceptional Mechanical Strength: Robust cast construction resists mechanical stress and vibration in industrial applications.
  • Tailored Surface Treatments: Multiple coating options, including nickel, zinc, and epoxy, to enhance corrosion resistance for specific operating environments.
  • Scalable Production: Capable of both prototype development and mass production with sample availability for qualification testing.
Display of the magnet application industry
  • Heavy Industrial Machinery: Used in large motors, generators, and drive systems requiring powerful and stable magnetic fields.
  • Magnetic Separation Equipment: Ideal for large-scale mineral processing and material separation systems in mining and recycling industries.
  • Aerospace & Defense: Suitable for guidance systems and large actuator components in military and aerospace applications.
  • Power Generation: Applied in turbine generators and renewable energy systems requiring high-temperature stability.
  • Marine Engineering: Used in underwater equipment and ship propulsion systems where corrosion resistance is critical.
  • Infrastructure Projects: Suitable for magnetic levitation systems, large-scale sensors, and industrial automation equipment.

Big Cast AlNiCo Magnet Product Advantage Summary

Big Cast AlNiCo Magnet represents a premium solution for industrial applications requiring large-format permanent magnets. With its annular design (160×120×20mm), versatile processing options, and exceptional temperature stability, this AlNiCo 5 magnet delivers reliable performance in heavy machinery, power generation, and aerospace systems. The combination of customizable magnetization, comprehensive manufacturing services, and industrial-grade durability makes it an ideal choice for demanding engineering projects requiring both size and performance.

Big Cast AlNiCo Magnet Technical Parameters Table

Parameter ItemSpecification RangeTesting Standard
Material CompositionAl-Ni-Co-Cu-Fe alloyASTM A801
Remanence (Br)1.0-1.4TIEC 60404-5
Coercivity (Hc)350-500 OeIEC 60404-5
Operating Temperature-40°C ~ +550°CISO 9001:2015
Density7.0-7.4 g/cm³ASTM B328
Hardness (Hv)450-550ISO 6507-1
Thermal Expansion Coefficient11×10⁻⁶/°C (20-200°C)ASTM E228

Frequently Asked Questions—Big Cast AlNiCo Magnet

1. What are the standard dimensions of the Big Cast AlNiCo Magnet?

The standard size is 160×120×20mm (Outer Diameter×Inner Diameter×Thickness). Custom sizes are available upon request with minimum order quantities.

AlNiCo 5 provides remanence (Br) of 1.2-1.3 T, coercivity (HcB) of 48-56 kA/m, and maximum energy product of 37-44 kJ/m³, delivering strong and stable magnetic performance.

It maintains stable performance from -250℃ to 550℃, making it suitable for high-temperature industrial applications.

We offer comprehensive processing including bending, welding, decoiling, cutting, punching, and moulding to meet specific application requirements.

Yes, standard magnetization is axial, but radial or multi-pole magnetization patterns can be customized based on your application needs.