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Rare Earth Magnets

Rare earth magnets are high-performance permanent magnetic materials, mainly divided into NdFeB and SmCo. Widely applied in global high-end manufacturing, new energy, aerospace and defense industries.

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NdFeB Magnets - King of Permanent Magnets for Room Temperature Use

3rd-generation rare earth magnet with high remanence, coercivity and magnetic energy product. Ideal for miniaturized equipment, popular in global motors, sensors and consumer electronics.

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Sintered NdFeB Magnets

Made by powder metallurgy, full temperature resistance grades up to 240°C, customizable with Zn, Ni-Cu-Ni and epoxy anti-corrosion coatings.

Sintered NdFeB Permanent Magnet
ProductSintered NdFeB Permanent Magnet
GradeN, M, H, SH, UH, EH, AH, TH
Tw≤250°C
Magnetic PropertiesBr: 1.04–1.54 T; Hcj: 955–3184 kA/m; (BH)max: 207–468 kJ/m³
ShapeBlock, Disc, Ring, Arc, Segment, Trapezoid, Custom Shapes
SizeStandard 1–100 mm, Custom Available
ToleranceStandard ±0.1 mm; Precision ±0.05 mm
MagnetizationThrough Thickness, Axial, Radial, Multi-pole, Custom
CoatingZn, Ni, Epoxy, Phosphating, Passivation
FeaturesHigh Energy, Strong Magnetism, Reliable Performance
ApplicationsEVs, Motors, Wind Power, Robotics, Automation, Electronics

Bonded NdFeB Magnets

One-piece injection molding with high dimensional accuracy, no secondary processing required for global micro motors and precision instruments.

Bonded NdFeB Permanent Magnet
ProductBonded NdFeB Permanent Magnet
GradeMBN2–13
Tw≤180°C
Magnetic PropertiesBr: 0.30–0.83 T; Hcj: 320–1360 kA/m; (BH)max: 12–104 kJ/m³
ShapeBlock, Disc, Ring, Arc, Segment, Trapezoid, Custom Shapes
SizeStandard 1–100 mm, Custom Available
ToleranceStandard ±0.05 mm; Precision ±0.02 mm
MagnetizationThrough Thickness, Axial, Radial, Multi-pole, Custom
CoatingZn, Ni, Epoxy, Phosphating, Passivation
FeaturesHigh Precision, Complex Shapes, Cost-Effective
ApplicationsMicro Motors, BLDC Motors, Sensors, Automotive, Electronics, Medical

Hot-Pressed NdFeB Magnets

Nano grain refinement technology with higher toughness and less heavy rare earth consumption, excellent demagnetization and high-temperature resistance.

Hot-Pressed NdFeB Permanent Magnet
ProductHot-Pressed NdFeB Permanent Magnet
GradeMBN-N, H, SH, UH
Tw≤200°C
Magnetic PropertiesBr: 0.76–1.44 T; Hcj: 835–1750 kA/m; (BH)max: 95–395 kJ/m³
ShapeRing
SizeOD φ5–150 mm; Thickness 0.5–50 mm; Custom Available
ToleranceStandard ±0.03 mm; Precision ±0.01 mm
MagnetizationAxial, Radial, Radial Ring, Multi-pole, Halbach Array
CoatingNi, Zn, Epoxy, Phosphating, Passivation
FeaturesFully Dense, High Precision, Excellent Consistency, Radial Orientation
ApplicationsServo Motors, EV Motors, UAVs, Robotics, Medical, Aerospace

SmCo Magnets - Premium Choice for High-Temp & Corrosion Resistance

2nd-generation rare earth magnet with ultra-low temperature coefficient and natural anti-oxidation. No surface coating needed for harsh global high-temperature, aerospace and military applications.

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SmCo5 Magnets

Magnetic energy product 15-22 MGOe, stable temperature performance for global standard high-temperature industrial equipment.

SmCo5 Permanent Magnet
ProductSmCo₅ Permanent Magnet
GradeMSC5-16, 18, 20, 22
Tw≤250°C
Magnetic PropertiesBr: 0.81–1.00 T; Hcj: ≥1194 kA/m; (BH)max: 110–191 kJ/m³
ShapeBlock, Disc, Ring, Arc, Segment, Trapezoid, Custom Shapes
SizeStandard 1–100 mm, Custom Available
ToleranceStandard ±0.05 mm; Precision ±0.02 mm
MagnetizationThrough Thickness, Axial, Radial, Multi-pole, Custom
CoatingZn, Ni, Epoxy, Phosphating, Passivation
FeaturesHigh Temperature, Corrosion Resistant, High Coercivity, Stable Performance
ApplicationsAerospace, Defense, Servo Motors, Sensors, Medical, Instrumentation

Sm2Co17 Magnets

Magnetic energy product 24-32 MGOe, max working temp over 350°C, core material for aerospace, military and high-temperature motors worldwide.

Sm2Co17 Permanent Magnet
ProductSm₂Co₁₇ Permanent Magnet
GradeMSC17-24、26、28、30、32
Tw≤500°C
Magnetic PropertiesBr: 0.95–1.16 T; Hcj: 955–1990 kA/m; (BH)max: 175–263 kJ/m³
ShapeBlock, Disc, Ring, Arc, Segment, Trapezoid, Custom Shapes
SizeStandard 1–100 mm, Custom Available
ToleranceStandard ±0.05 mm; Precision ±0.02 mm
MagnetizationThrough Thickness, Axial, Radial, Multi-pole, Custom
CoatingZn, Ni, Epoxy, Phosphating, Passivation
FeaturesUltra-High Temperature, High Coercivity, Corrosion Resistant, Stable Performance
ApplicationsAerospace, Defense, Motors, Sensors, Medical, Energy

Magnetic Assemblies - Custom Integrated Components, Non-Controlled Goods

Integrated magnets combined with structural parts. Optimized magnetic performance for automotive, industrial control, medical, aerospace and other industries.

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FAQ

Core differences between NdFeB and SmCo?

NdFeB delivers stronger magnetic performance at room temperature with cost efficiency but lower heat resistance and easy oxidation. SmCo withstands up to 350°C with superior corrosion stability for high-end global industrial scenarios at a higher cost.

Common anti-corrosion coatings for sintered NdFeB?

Zinc plating, Ni-Cu-Ni plating, epoxy coating and passivation, matching global salt spray and humid working conditions.

Key magnetic performance parameters?

Remanence, coercivity, maximum energy product, temperature coefficient, Curie temperature and working temperature.

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