N45 Speaker Magnetic Ring Permanent Magnet with Zinc Plating

• Application: Speaker Magnet, Industrial Magnet, Solenoid, Motor Magnet
• Shape: Ring
• Coating: Zinc
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: N35-N52/ R029
• Grade: N45
• Type: Permanent
• Composition: NdFeB Magnet
• Size: D110*D75*8
• Magnet Force: 500-700times of Magnet Weight
• Transport Package: Carton
• Specification: from35-52
• Trademark: eastar
• Origin: China, Ningbo
• HS Code: 8505111000
• Production Capacity: 500ton/Year

Product Description

N35-52 NdFeB rare earth Ring Magnet with Zinc plating

Material Grade of NdFeB magnet:
Magnet N-( N35, N38, N40, N42, N45, N48, N50),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, ),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)

1) Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.

2) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.

3) Our factory can also manufacture various sizes of NdFeB magnet, according to the customer's specification
NdFeB Disc Magnet:
- N35-N52, N48M, N48H, N48SH, N38UH, N38EH...
- Max temperature: 80-230'C
- Dimension range: 1-280 mm
- Guaranteed quality

Product specifications:
1. NdFeB Permanent Magnets with different grades of: N35, N38, N40, N42, N45, N48, N50, N52(M, H, SH, UH, EH) etc.
2. Working temperature for NdFeB Permanent magnets: From 80 centigrades to 230 centigrades.
3. Can be magnetized according to the requirements of clients.
4. Coatings: Ni, Zn, epoxy, gold, silver, Cu and so on(as per the requirements).
5. NdFeB magnet has super strong magnetic force and high intrinsic coercive force.
6. With precise tolerance.

Application for NdFeB magnet:
Magnetic separator, Sensors, Wind generators, Vibration motors, DC motors, Servo motors, Linear motors, VCM, MRI, Loudspeakers, Linear actuators, drives, toys, bags, household appliances, microphone parts, transmission equipments...

Remarks:
1, HHMAG has years' experiences in magnets producing and we can Produce magnets acccording to your own specifications or designs.
2, We deliver goods in time and have excellent after-sale service.
3, Commited to customers with our best service and with the most that we1. 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

Company Profile

Test Equipment & Workshop
 • Demagnetization Curves & Outgoing Inspection Report for each shipment.
 

Packaging & Shipping

Standard Packaging
•  Vacuum packaging for all Neodymium magnets and Neodymium magetic assemblies.
• Shielding box and wooden box to protect the Neodymium magnets during shipping.

Shipping Methods 
• Contract price with FedEx, DHL, UPS and TNT to minimum your shipping cost.
• Experienced shipping forwarder for Ocean and Air shipments.

FAQ