Gold Member Since 2013
Audited Supplier
Ningbo Eastar Magnet Co., Ltd.

Ring Magnet, NdFeB Magnet, Neodymium Magnet manufacturer / supplier in China, offering N48 Big Size Zinc Coating Ring Neodymium Magnet, N35-N50 Neodymium Ring Magnet Permanent, Custom Sintered Ring NdFeB Permanent Magnet with ISO9001 and so on.

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Supplier Homepage Product Ring magnet N48 Big Size Zinc Coating Ring Neodymium Magnet

N48 Big Size Zinc Coating Ring Neodymium Magnet

Purchase Qty.:
(Pieces)
1,000-9,999 10,000-99,999 100,000+
FOB Unit Price: US $0.99 US $0.95 US $0.89
Purchase Qty. (Pieces) FOB Unit Price
1,000-9,999 US $0.99
10,000-99,999 US $0.95
100,000+ US $0.89
Get Latest Price
Production Capacity: 500ton/Year
Transport Package: Carton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: SC-002
  • Shape: Ring
  • Grade: N48
  • Composition: NdFeB Magnet
  • Working Temp: -20ºC ~ 80ºC
  • Specification: from35-52
  • HS Code: 8505111000
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Zinc
  • Type: Permanent
  • Size: as Client Need
  • Trademark: eastar
  • Origin: China, Ningbo
Product Description
Permanent Neodymium Ring Magnet
1. Ring magnet.
2. Zinc coating to protect the surface(Nickel, epoxy, silver, gold...optional.)
3. Used for electric motors, earphones, speakers...

1. Magnet: Neodymium magnet

2. Characteristics:
Super strong Br resident induction.
Excellent demagnetization resistance capability.

3. Surface Treatment Method:
Black Nickel, Chroming, Copper, Epoxy, Gold, Nickel, Nickel+Epoxy, Nickel+Sn, Passivation, Zinc, phosphating

4. Applications of Neodymium Magnets:
AC Motors, DC Motors, servo motors, step motors
Computer rigid disc drives
Magnetic Separators
Magnetic resonance imaging
Speakers & earphones
Medical care machines
 
ParameterunitStandard Data
Curie Temperature(Tc)ºC310-380
Maximum Operating Temperature(Tw)ºC80-200
HardnessHv620
Electrical ResistivityΩ.CM1.8X10-4 ~2.0X10-4
Density(D)g/cm37.5~7.65
Recoil Permeabilityµ rec1.05
Magnetization Field Strength(Hs)KOe>  30
KA/m>  2400
Bending StrengthMpa295~345
Temp. Coefficient of Br (aBr)%/ºC-0.11~ -0.12
Temp Coefficient of Hcj (aHcj)%/ºC-0.5~ -0.7
 

We own a professional QC team and advanced test and inspection equipment to ensure high-quality products, and strict procedure  to ensure timely delivery and perfect after-sales service.

N48 Big Size Zinc Coating Ring Neodymium Magnet
 
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