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.

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.

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.

GradeBr(Min.)Hcb(Min.)Hcj(Min.)(BH)maxMax. Temp.Key Applications
N351.18T(11.8kGs)915kA/m(11.5kOe)955kA/m(12kOe)265-290kJ/m³(33-36MGOe)80℃Audio equipment, magnetizers, magnetic separators
N401.26T(12.6kGs)915kA/m(11.5kOe)955kA/m(12kOe)300-320kJ/m³(37-40MGOe)80℃Small motors, sensors, electronic instruments
N451.33T(13.3kGs)915kA/m(11.5kOe)955kA/m(12kOe)335-360kJ/m³(42-45MGOe)80℃New energy vehicle parts, energy-saving elevators, precision instruments
N501.39T(13.9kGs)915kA/m(11.5kOe)955kA/m(12kOe)370-405kJ/m³(46-50MGOe)80℃Wind turbines, inverter home appliances, medical devices
N601.50T(15.0kGs)815kA/m(10.2kOe)875kA/m(11kOe)430-465kJ/m³(54-58MGOe)80℃High-end motors, MRI, aerospace instruments
N35M1.18T(11.8kGs)875kA/m(11.0kOe)1114kA/m(14kOe)265-290kJ/m³(33-36MGOe)100℃High-temperature motors, auto engine parts, sensors
N40M1.26T(12.6kGs)875kA/m(11.0kOe)1114kA/m(14kOe)300-320kJ/m³(37-40MGOe)100℃Precision motors, automotive electronics, electronic instruments
N45M1.33T(13.3kGs)875kA/m(11.0kOe)1114kA/m(14kOe)335-360kJ/m³(42-45MGOe)100℃New energy vehicle parts, precision instruments, medical devices
N50M1.39T(13.9kGs)875kA/m(11.0kOe)1114kA/m(14kOe)370-405kJ/m³(46-50MGOe)100℃Wind turbines, high-end motors, medical devices
N56M1.46T(14.6kGs)875kA/m(11.0kOe)1114kA/m(14kOe)410-445kJ/m³(51-56MGOe)100℃High-end motors, MRI, aerospace instruments
N35H1.18T(11.8kGs)955kA/m(12.0kOe)1353kA/m(17kOe)265-290kJ/m³(33-36MGOe)120℃High-temperature motors, auto engine parts, sensors
N40H1.26T(12.6kGs)955kA/m(12.0kOe)1353kA/m(17kOe)300-320kJ/m³(37-40MGOe)120℃High-precision motors, automotive electronics, precision instruments
N45H1.33T(13.3kGs)955kA/m(12.0kOe)1353kA/m(17kOe)335-360kJ/m³(42-45MGOe)120℃New energy vehicle parts, energy-saving elevators, precision instruments
N50H1.39T(13.9kGs)955kA/m(12.0kOe)1353kA/m(17kOe)370-405kJ/m³(46-50MGOe)120℃Wind turbines, inverter home appliances, medical devices
N56H1.46T(14.6kGs)955kA/m(12.0kOe)1353kA/m(17kOe)410-445kJ/m³(51-56MGOe)120℃High-end motors, MRI, aerospace instruments
N35SH1.18T(11.8kGs)915kA/m(11.5kOe)1592kA/m(20kOe)265-290kJ/m³(33-36MGOe)150℃High-temperature motors, avionics, oil exploration equipment
N40SH1.26T(12.6kGs)915kA/m(11.5kOe)1592kA/m(20kOe)300-320kJ/m³(37-40MGOe)150℃High-precision motors, aerospace components, high-temperature sensors
N45SH1.33T(13.3kGs)915kA/m(11.5kOe)1592kA/m(20kOe)335-360kJ/m³(42-45MGOe)150℃New energy vehicle electronics, aviation precision components, high-temperature instruments
N50SH1.39T(13.9kGs)915kA/m(11.5kOe)1592kA/m(20kOe)370-405kJ/m³(46-50MGOe)150℃Wind turbines, aerospace instruments, high-temperature medical devices
N35UH1.18T(11.8kGs)885kA/m(11.1kOe)1990kA/m(24kOe)265-290kJ/m³(33-36MGOe)180℃Extreme high-temperature motors, aerospace equipment, high-end sensors
N40UH1.26T(12.6kGs)885kA/m(11.1kOe)1990kA/m(24kOe)300-320kJ/m³(37-40MGOe)180℃High-end avionics, high-temperature precision instruments, oil exploration equipment
N45UH1.33T(13.3kGs)885kA/m(11.1kOe)1990kA/m(24kOe)335-360kJ/m³(42-45MGOe)180℃New energy vehicle high-end components, aerospace precision parts, extreme high-temperature equipment
N30EH1.08T(10.8kGs)805kA/m(10.1kOe)2385kA/m(30kOe)220-235kJ/m³(27-30MGOe)200℃Ultra-high temperature motors, aerospace equipment, high-end radar
N35EH1.18T(11.8kGs)805kA/m(10.1kOe)2385kA/m(30kOe)265-290kJ/m³(33-36MGOe)200℃Extreme high-temperature precision equipment, avionics, high-end oil exploration equipment
N40EH1.26T(12.6kGs)805kA/m(10.1kOe)2385kA/m(30kOe)300-320kJ/m³(37-40MGOe)200℃Aerospace instruments, ultra-high temperature motors, high-precision sensors
N30AH1.08T(10.8kGs)855kA/m(10.7kOe)2785kA/m(35kOe)220-235kJ/m³(27-30MGOe)220℃Ultra-high temperature extreme environment equipment, aerospace core components, high-end radar
N35AH1.18T(11.8kGs)855kA/m(10.7kOe)2785kA/m(35kOe)265-290kJ/m³(33-36MGOe)220℃Aerospace high-end equipment, ultra-high temperature precision motors, oil exploration core equipment
N30VH1.08T(10.8kGs)800kA/m(10.1kOe)3105kA/m(39kOe)220-235kJ/m³(27-30MGOe)250℃Aerospace core equipment, ultra-high temperature extreme environment instruments, high-end defense equipment

Bonded NdFeB Magnets

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

GradeBr(Min.)Hcb(Min.)Hcj(Min.)(BH)maxMax. Temp.Key Applications
BNP-20.35-0.40T(3.5-4.0kGs)200-280kA/m(2.5-3.5kOe)360-520kA/m(4.6-6.5kOe)16-24kJ/m³(2.0-3.0MGOe)120°CMagnetic clasps, toys, low-power sensors
BNP-40.45-0.50T(4.5-5.0kGs)240-320kA/m(3.0-4.0kOe)400-560kA/m(5.0-7.0kOe)32-40kJ/m³(4.0-5.0MGOe)120°CConsumer electronics, small vibration motors, office automation parts
BNP-60.52-0.57T(5.2-5.7kGs)320-400kA/m(4.0-5.0kOe)520-680kA/m(6.5-8.5kOe)44-52kJ/m³(5.5-6.5MGOe)150°CPrinter magnetic rollers, precision micro motors, stepper motors
BNP-80.60-0.68T(6.0-6.8kGs)360-440kA/m(4.5-5.5kOe)640-800kA/m(8.0-10.0kOe)64-72kJ/m³(8.0-9.0MGOe)160°CHDD spindle motors, automotive sensors, brushless DC motors
BNP-100.68-0.73T(6.8-7.3kGs)400-480kA/m(5.0-6.0kOe)640-800kA/m(8.0-10.0kOe)76-84kJ/m³(9.5-10.5MGOe)160°CHome appliance motors, industrial actuators, high-performance micro motors
BNP-120.72-0.77T(7.2-7.7kGs)440-520kA/m(5.5-6.5kOe)720-800kA/m(9.0-10.0kOe)88-96kJ/m³(11.0-12.0MGOe)160°CAutomotive EPS systems, advanced brushless motors, high-temperature sensors

Hot-Pressed NdFeB Magnets

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

GradeBr(Min.)Hcb(Min.)Hcj(Min.)(BH)maxMax. Temp.Key Applications
HP-401.26-1.33T(12.6-13.3kGs)885kA/m(11.1kOe)1040kA/m(13kOe)300-335kJ/m³(38.0-42.0MGOe)120°CEV drive motors, servo motors, industrial pumps
HP-431.29-1.36T(12.9-13.6kGs)890kA/m(11.2kOe)915kA/m(11.5kOe)320-350kJ/m³(40.0-44.0MGOe)120°CHigh-speed motors, compressors, precision actuators
HP-481.38-1.44T(13.8-14.4kGs)795kA/m(10.0kOe)835kA/m(10.5kOe)360-395kJ/m³(45.0-49.0MGOe)120°CHigh-power motors, wind power parts, medical devices
HP-32H1.12-1.22T(11.2-12.2kGs)805kA/m(10.1kOe)1190kA/m(15.0kOe)240-270kJ/m³(30.0-34.0MGOe)140°CAutomotive motors, high-temp sensors, HVAC systems
HP-36H1.20-1.28T(12.0-12.8kGs)860kA/m(10.8kOe)1160kA/m(14.5kOe)270-300kJ/m³(34.0-38.0MGOe)140°CEV auxiliary motors, industrial fans, precision instruments
HP-40H1.25-1.34T(12.5-13.4kGs)885kA/m(11.1kOe)1120kA/m(14.0kOe)295-335kJ/m³(37.0-42.0MGOe)140°CHigh-temp servo motors, automotive electronics, power tools
HP-31SH1.10-1.19T(11.0-11.9kGs)815kA/m(10.2kOe)1600kA/m(20.0kOe)230-265kJ/m³(29.0-33.0MGOe)150°CHigh-temp actuators, oil exploration parts, aerospace components
HP-35SH1.18-1.26T(11.8-12.6kGs)800kA/m(11.1kOe)1510kA/m(19.0kOe)265-295kJ/m³(33.0-37.0MGOe)150°CAutomotive EPS, industrial pumps, high-temp sensors
HP-39SH1.25-1.32T(12.5-13.2kGs)950kA/m(11.9kOe)1440kA/m(18.0kOe)295-325kJ/m³(37.0-41.0MGOe)150°CHigh-performance servo motors, EV drive systems, precision instruments
HP-42SH1.28-1.35T(12.8-13.5kGs)970kA/m(12.2kOe)1350kA/m(17.0kOe)310-345kJ/m³(39.0-43.0MGOe)150°CHigh-power drive motors, compressors, medical equipment
HP-39UH1.25-1.32T(12.5-13.2kGs)950kA/m(11.9kOe)1680kA/m(21.0kOe)295-325kJ/m³(37.0-41.0MGOe)180°CExtreme high-temp motors, aerospace parts, oil drilling equipment

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.

SmCo5 Magnets

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

GradeBr(Min.)Hcb(Min.)Hcj(Min.)(BH)maxMax. Temp.Key Applications
SmCo1:5-200.85T(8.5kGs)480kA/m(6.0kOe)560kA/m(7.0kOe)120-140kJ/m³(15-18MGOe)250℃Small high-temp sensors, watch motors, precision instrument latches
SmCo1:5-250.95T(9.5kGs)520kA/m(6.5kOe)600kA/m(7.5kOe)160-180kJ/m³(20-23MGOe)250℃Automotive engine sensors, low-power high-temp motors, electronic lock components
SmCo1:5-301.05T(10.5kGs)560kA/m(7.0kOe)640kA/m(8.0kOe)200-220kJ/m³(25-28MGOe)250℃Industrial oven actuators, medical device high-temp parts, aerospace auxiliary components

Sm2Co17 Magnets

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

GradeBr(Min.)Hcb(Min.)Hcj(Min.)(BH)maxMax. Temp.Key Applications
SmCo2:17-250.90T(9.0kGs)500kA/m(6.3kOe)1200kA/m(15.0kOe)160-180kJ/m³(20-23MGOe)300℃High-temp oil exploration tools, satellite thermal control parts, nuclear industry sensors
SmCo2:17-301.00T(10.0kGs)540kA/m(6.8kOe)1300kA/m(16.3kOe)200-220kJ/m³(25-28MGOe)300℃Aerospace engine components, high-temp industrial turbines, molten salt pump motors
SmCo2:17-351.10T(11.0kGs)580kA/m(7.3kOe)1400kA/m(17.6kOe)240-260kJ/m³(30-33MGOe)300℃Hypersonic vehicle parts, ultra-high temp measuring instruments, geothermal energy motors
SmCo2:17-401.20T(12.0kGs)620kA/m(7.8kOe)1500kA/m(18.8kOe)280-300kJ/m³(35-38MGOe)300℃Advanced rocket components, high-temp gas turbines, space probe motors
SmCo2:17-30H1.00T(10.0kGs)600kA/m(7.5kOe)1600kA/m(20.1kOe)200-220kJ/m³(25-28MGOe)350℃Ultra-high temp industrial ovens, volcanic exploration equipment, high-temp reactor parts
SmCo2:17-35H1.10T(11.0kGs)640kA/m(8.0kOe)1700kA/m(21.3kOe)240-260kJ/m³(30-33MGOe)350℃Deep-sea thermal vent detectors, aerospace re-entry vehicle parts, high-temp ceramic motors

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.

Sintered NdFeB magnetic assembly
Bonded NdFeB magnetic assembly
Hot-Pressed NdFeB magnetic assembly

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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