Gold Member Since 2010
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Xiamen Yuxiang Magnetic Materials Technology Co., Ltd.

Sintered NdFeB Ring Magnets, Sintered NdFeB Magnet, Ring Shaped Magnet manufacturer / supplier in China, offering Sintered NdFeB Ring Magnets, Chinese High Quality Magnetic Door Knob, High Quality Magnetizing Yokes and Coils and so on.

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Sintered NdFeB Ring Magnets

Purchase Qty.:
1,000-9,999 10,000+
FOB Unit Price: US $10 US $0.5
Purchase Qty. (Pieces) FOB Unit Price
1,000-9,999 US $10
10,000+ US $0.5
Get Latest Price
Port: Xiamen, China
Production Capacity: 50000 Piece/Pieces / Day
Payment Terms: L/C, T/T, Western Union, Money Gram
Basic Info
  • Model NO.: NdFeB Ring Magnets
  • Shape: Ring
  • Grade: as Customer Requirement
  • Type: Permanent
  • Transport Package: Neutral Wooden Carton Packing
  • Origin: Fujian, China (Mainland)
  • Application: Industrial Magnet
  • Coating: Nickel
  • Composition: NdFeB Magnet
  • Trademark: Yuxiang
  • Specification: ROHS, SGS, CE
  • HS Code: 850511900
Product Description
General Introduction:
1. Our NdFeB rare earth magnet is particularly suitable for high volumn production of a wide variety of shapes and size ranges
2. Precise dimensional control is achieved in both processed and usually the component does not require further machining
3. Injection moulded NdFeB do not normally require coating due to better corrosion resistance, however coating is recommended for compression moulded NdFeB
1. High energy ranging from 8MGOe to 48MGOe with wondrerful coercive force
2. Less expensive,and mechanically stronger and less brittle than SmCo
3. Density:13%,smaller than SmCo products
4. For most applications,coating or plating is recommended...

1. High energy
2. Very high Hc and Hci output
3. More economical than SmCo
4. Wonderful performance at ambient temperature
When inquiring or ordering, please send us following information: 
1.Type of magnet (material & grade) 
2.Quantity (annual and per shipment) 
3.Shape and dimensions (drawing if necessary) 
4.Direction of magnetization 
5.Magnetized or unmagnetized 
6.Details of surface treatment 
7.Application if possible 
8.Other information and/or requirements 
hope to cooperate with you...
Thank you.

                     Sintered NdFeB Ring Magnetic Properties
   mT  GskA/m  Oe  kA/m  Oe  kJ/m 3  MGOe  g/cm 3  ° C
  N35  1180118000  860  10800  955  12000  280  35  7.45  80
  N351230  123000  875  11000  955  12000  300  38  7.45  80
  N401270  127000  870  11000  955  12000  318  40  7.45  80
  N421300  13000  870  11000  955  12000  334  42  7.45  80
  N451330  133000  860  10800  955  12000  358  45  7.45  80

Remark: The above mentioned data of magnetic and physical characteristics are given at room temperature

** The open flux irreversible loss of the testing sample at this temperature ≤5%

Other Physical Properties (Sintered NdFeB)
Temp.Coeff.of Br:-0.11%/°CTemp.Coeff.of iHc:-0.60%/°C
Density:7.4~7.6g/cm3Electrical Resistivity:144µΩcm
Vickers Hardness:600HVFlexural Strength:25kg/mm
Tensile Strength:8kg/mm2Coef. of Thermal Expansion:4×10-6/°C
Specific Heat:0.12kcal/(kg.°C)Thermal conductivity:7.7kcal/m.h.°C
Young's Modulus:1.6×1011N/m2Rigidity:0.64N/m2
Poisson's Ratio:0.24Compressibility:9.8x10-12m2/N
Curie Temperature:310~340°C  

For more detail info, please feel free to visit our website or inquire us at any of your convenience

Sintered NdFeB Ring Magnets

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Mr. Yingjun Liu
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