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, N42 Neodymium Magnetic Bar Magnet with Sink Hole, N35 Permanent NdFeB Disc Magnet with Zinc Plating 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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