Gallery View: Sintered NdFeB magnets from China

Global SourcesUpdated on 2023/12/01

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Makers of NdFeB magnets in China also offer bonded types but continue to emphasize products based on the sintering process.

China's mainstream selection of sintered and bonded NdFeB magnets comes in round, rectangular, bar and other shapes and with silver, gold, zinc or epoxy plating.

Sintered units are in grades of N35 to N52, 35M to 50M, 30H to 48H, 30SH to 45SH, 28UH to 35UH and 28EH to 335EH. These are widely used in automotive electronics, medical equipment, home appliances and computers.

The bonded category includes BNP6 to BNP12L and BNI-3 to BNI-55R.

All permanent magnets and coating materials used come from the local supply. Their costs rose slightly in the past year and pushed prices up by 5 to 10 percent. Some companies kept quotes stable despite this.

In the months ahead and throughout 2018, most makers will adjust rates, depending on the changes in the outlay for manufacturing inputs.

The products in this gallery have been handpicked by our China-based market analyst for representing current trends in NdFeB magnets.

N38M to N54M sintered NdFeB magnet

Model M11 sintered NdFeB magnet from Huizhou Dechuang Magnet Industry Technology Co. Ltd is in grades N38M to N54M and coated with nickel, zinc, gold, copper or epoxy. Its operating temperature is ≤100 C. Applications include chargers, loudspeakers, sensors, motors, rotors, and wind turbines and generators. The unit complies with RoHS.

The maker requires an order of at least 1,000 units for delivery within 5 days.

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Silver-coated N35 to N52 sintered NdFeB magnet

Jin Tong Magnetic Material Technology Co. Ltd offers JT-003 model, a sintered NdFeB magnet in N35 to N52 variants with silver coating. Diameter and thickness tolerances are ±0.03mm and ±0.05mm. The shape and size can be customized to suit motors, generators, sensors, speakers and earphones.

The RoHS-compliant product has a 10-unit minimum order and 5-day delivery lead time.

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Sintered NdFeB magnet in XGS06 to XGS33

This NdFeB-KX155 model from Ningbo Co-Star Material Hi-Tech Co. Ltd is a sintered NdFeB magnet in grades of XGS06 to XGS33.

The XGS06 variant had 5 to 8MGsOe maximum energy product, 4.5 to 6KGs minimum residual induction, 4.3 to 6KOe minimum coercive force, 15 to 25KOe minimum intrinsic coercive force and 8.4g/cubic cm density. Its maximum operating temperature is 350 C.

The minimum order is negotiable. Delivery is within 25 days.

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N35 sintered NdFeB magnet with NiCuNi coating

Universal (Ningbo) Magnetech Co. Ltd's model Uni-Disc-oi3 sintered NdFeB magnet in N35 grade has NiCuNi coating. It measures 25x5mm. The size and shape can be customized for different requirements.

The minimum order is 200 units and the delivery lead time 20 days.

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