High Grade Neodymium Ring Magnet with Different Size

• Shape: Disc Ring Shape
• Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Coating: Nickel
• Grade: N50
• Type: Permanent Magnet
• Composition: NdFeB Magnet
• Model NO.: N35-N52 D036
• Size: D50X15
• Working Temperature: Max 80 Oc
• Transport Package: Carton
• Specification: from35-52
• Trademark: eastar
• Origin: China, Ningbo
• HS Code: 8505111000
• Production Capacity: 500ton/Year

Product Description

Neodymium permanent Disc  Ring magnets:

1. Materials: Sintered NdFeB / Neodymium magnet
2. Magnet grade:N35,N38,N40....N52, H, SH, UH, EHseries for optional.
3.Surface treatment: Ni, Ni + Cu + Ni, Zn, epoxy, gold, etc.
4. Size: From diameter 1mm up to 80mm, thickness from 0.5mm up to 30mm.
5. Processing tolerance: +-0.05mm

Magnet Parameter data sheet:

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