N48 Big Size Zinc Coating Ring Neodymium Magnet
- Productivity:
- 500ton/Year
- Place of Origin:
- China, Ningbo
- Supply Ability:
- 500ton/Year
Basic Info
Model No.: SC-002
Product Description
Model NO.: SC-002 Shape: Ring Grade: N48 Composition: Ndfeb Magnet Working Temp: -20ºC ~ 80ºC Transport Package: Carton Origin: China, Ningbo Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet Coating: Zinc Type: Permanent Size: as Client Need Trademark: eastar Specification: from35-52 HS Code: 8505111000 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
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.
Contact us if you need more details on Ring Magnet. We are ready to answer your questions on packaging, logistics, certification or any other aspects about NdFeB Magnet、Neodymium Magnet. If these products fail to match your need, please contact us and we would like to provide relevant information.
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
| Parameter | unit | Standard Data |
| Curie Temperature(Tc) | ºC | 310-380 |
| Maximum Operating Temperature(Tw) | ºC | 80-200 |
| Hardness | Hv | 620 |
| Electrical Resistivity | Ω.CM | 1.8X10-4 ~2.0X10-4 |
| Density(D) | g/cm3 | 7.5~7.65 |
| Recoil Permeability | µ rec | 1.05 |
| Magnetization Field Strength(Hs) | KOe | > 30 |
| KA/m | > 2400 | |
| Bending Strength | Mpa | 295~345 |
| 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.
Contact us if you need more details on Ring Magnet. We are ready to answer your questions on packaging, logistics, certification or any other aspects about NdFeB Magnet、Neodymium Magnet. If these products fail to match your need, please contact us and we would like to provide relevant information.
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