Grinding Magnetic Circular Speaker Coil Ring Annulus Magnets for Motor

• Customization: Available
• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Shape: Ring
• Model NO.: HJ
• Material: Sintered Neodymium-Iron-Boron
• Tolerance: +/-0.05mm
• Working Temp: Max 176f/ 176f~392f
• Certification: RoHS, SGS
• Delivery Time: 3-10 Days After Order Confirmation
• Payment Term: T/T, L/C, Paypal, Western Union
• Trade Term: EXW, Fob, F&C, Fcr, CIF, Ect
• Certifications: ISO9001,SGS,RoHS
• Transport Package: Carton & Wooden & Pallet & by Customer Requirement
• Specification: Customized size
• Trademark: HJ
• Origin: Nanjing, Jiangsu, China
• HS Code: 8505111000
• Production Capacity: 50000000/Month
• Package Size: 35.00cm * 26.00cm * 15.00cm
• Package Gross Weight: 20.000kg

Product Description

Grinding Magnetic Circular Speaker Coil Ring Annulus Magnets for Motor
 

Item	Magnetic Ring
Gauss	N35-N52, N35m-N50m, N35h-N48h, N33sh-N45sh
Working Temp	80~200 Degree
Specification	Carton & Wooden & Pallet & By Customer Requirements
Certification	RoHS Test, ISO9001
Casing	Zinc,  Nickel etc
Lead Time	5~7 Days
Transport Package	Box or Carton
Payment Term	T/T, L/C, Western Union, Paypal
Express	DHL, FedEx, TNT,UPS ect
Application	Electronic Products, Industrial Magnet, Motor Magnet, Food industry, Ceramic industry ect
Feature	Eco-friendly, Green Product, long life.
Performance	Permanent, Strong, Rust-proof, Anti-corrosion

MAGNETIC AND PHYSICAL CHARACTERISTICS:    

Grade	Remanence		Coercive Force		Intrinsic Coercive force		Max. Energy Product		Max. Working Temp.
	Br		Hcb		Hci		(BH) max		L/D=0.7
	T	kGs	KA/m	KOe	KA/m	KOe	KJ/m^3	MGOe	ºC	°F
N35	1.17-1.24	11.7-12.4	≥860	≥10.8	≥955	≥12	263-295	33-37	80	176
N38	1.22-1.30	12.2-13.0	≥860	≥10.8	≥955	≥12	287-318	36-40	80	176
N40	1.26-1.32	12.6-13.2	≥860	≥10.8	≥955	≥12	302-334	38-42	80	176
N42	1.29-1.35	12.9-13.5	≥860	≥10.8	≥955	≥12	318-350	40-44	80	176
N45	1.32-1.38	13.2-13.8	≥860	≥10.8	≥955	≥12	334-366	42-46	80	176
N48	1.37-1.43	13.7-14.3	≥836	≥10.5	≥876	≥11	358-390	45-49	80	176
N50	1.40-1.45	14.0-14.5	≥836	≥10.5	≥876	≥11	374-406	47-51	80	176
N52	1.42-1.48	14.2-14.8	≥836	≥10.5	≥876	≥11	390-422	49-53	80	176
N54	1.45-1.51	14.5-15.1	≥836	≥10.5	≥876	≥11	398-438	50-55	80	176
N35M	1.17-1.24	11.7-12.4	≥860	≥10.8	≥1114	≥14	263-295	33-37	100	212
N38M	1.22-1.30	12.2-13.0	≥915	≥11.5	≥1114	≥14	287-318	36-40	100	212
N40M	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1114	≥14	302-334	38-42	100	212
N42M	1.29-1.35	12.9-13.5	≥955	≥12.0	≥1114	≥14	318-350	40-44	100	212
N45M	1.32-1.38	13.2-13.8	≥987	≥12.4	≥1114	≥14	334-366	42-46	100	212
N48M	1.37-1.43	13.7-14.3	≥1019	≥12.8	≥1114	≥14	358-390	45-49	100	212
N50M	1.40-1.45	14.0-14.5	≥1043	≥13.1	≥1114	≥14	374-406	47-51	100	212
N52M	1.42-1.48	14.2-14.8	≥1059	≥13.3	≥1114	≥14	390-422	49-53	100	212
N35H	1.17-1.24	11.7-12.4	≥876	≥11	≥1350	≥17	263-295	33-37	120	248
N38H	1.22-1.30	12.2-13.0	≥915	≥11.5	≥1350	≥17	287-318	36-40	120	248
N40H	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1350	≥17	302-334	38-42	120	248
N42H	1.29-1.35	12.9-13.5	≥963	≥12.1	≥1350	≥17	318-350	40-44	120	248
N45H	1.31-1.37	13.1-13.7	≥979	≥12.3	≥1350	≥17	335-366	42-46	120	248
N48H	1.37-1.43	13.7-14.3	≥1011	≥12.7	≥1274	≥16	358-390	45-49	120	248
N50H	1.40-1.45	14.0-14.5	≥1027	≥12.9	≥1274	≥16	374-406	47-51	120	248
N33SH	1.14-1.21	11.4-12.1	≥852	≥10.7	≥1592	≥20	247-279	31-35	150	302
N35SH	1.17-1.24	11.7-12.4	≥876	≥11	≥1592	≥20	263-295	33-37	150	302
N38SH	1.22-1.29	12.2-12.9	≥915	≥11.5	≥1592	≥20	287-318	36-40	150	302
N40SH	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1592	≥20	302-334	38-42	150	302
N42SH	1.29-1.35	12.9-13.5	≥963	≥12.1	≥1592	≥20	318-350	40-44	150	302
N45SH	1.32-1.38	13.2-13.8	≥994	≥12.5	≥1592	≥20	335-366	42-46	150	302
N30UH	1.08-1.16	10.8-11.6	≥812	≥10.2	≥1990	≥25	223-255	28-32	180	356
N33UH	1.14-1.21	11.4-12.1	≥852	≥10.7	≥1990	≥25	247-279	31-35	180	356
N35UH	1.17-1.24	11.7-12.4	≥876	≥11	≥1990	≥25	263-295	33-37	180	356
N38UH	1.22-1.29	12.2-12.9	≥915	≥11.5	≥1990	≥25	287-318	36-40	180	356
N40UH	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1990	≥25	302-334	38-42	180	356
N42UH	1.29-1.35	12.9-13.5	≥963	≥12.1	≥1990	≥25	318-350	40-44	180	356
N30EH	1.08-1.15	10.8-11.5	≥812	≥10.2	≥2388	≥30	223-255	28-32	200	392
N33EH	1.14-1.21	11.4-12.1	≥851	≥10.7	≥2388	≥30	247-279	31-35	200	392
N35EH	1.17-1.24	11.7-12.4	≥876	≥11	≥2388	≥30	263-295	33-37	200	392
N38EH	1.22-1.29	12.2-12.9	≥915	≥11.5	≥2388	≥30	287-318	36-40	200	292
N28AH	1.04-1.12	10.4-11.2	≥772	≥9.70	≥2786	≥35	207-239	26-30	230	446
N30AH	1.08-1.15	10.8-11.5	≥812	≥10.2	≥2786	≥35	223-255	28-32	230	446
N33AH	1.14-1.21	11.4-12.1	≥852	≥10.7	≥2786	≥35	247-279	31-35	230	446

Applications of Sintered NdFeB Magnets:

· Automotive Starters	· Microphone Assemblies
· Computer Rigid Disc Drives	· Particle Accelerators
· DC Motors	· Printers
· Headphone	· Relays
· Halbach Arrays	· Servo Motors
· Linear Actuators	· Stepper Motors
· Linear Motors	· Switches
· Loud Speakers	· Undulators
· Magnetic Bearings	· Vacuum Deposition
· Magnetic Couplings	· Voice Coil Motors (VCM)
· Magnetic Separators	· Wind Turbines

Our Company:
Nanjing Huajin Magnetic Materials Co., Ltd. Specializing in the production and sale of magnetic
NdFeB, magnetic bar, magnetic products, magnetic frame. Magnets of various shapes and sizes
can be produced according to customer requirements, such as packaging diskette, the motor
magnetic tile, magnetic ring, toy bar magnet, magnetic ball, with the exception of iron magnetic rods,
magnetic hooks, magnetic separator box; Surface treatment: Gold, silver, plated epoxy, nickel-plated
copper-nickel, zinc, chromium, titanium (blue zinc, black zinc, color zinc), above the surface
treatment to meet environmental requirements.



Our Advantages:        
1. More than 10 years professional Neodymium Magnet Manufacturer        
2. Trade Assurance to Secure your trade safety        
3. High quality Rare earth Materials used.        
4. Fast delivery Time for magnet produce and Magnetic Assemblies.        
5. Free sample available.        
6. Difference Specification Choice    
7.Direct Factory, best competitive price is available.
8.Flexible payment policy, reliable quality, fast delivery

Payment Term:
T/T, L/C, Western Union, PayPal.

Package & Shipment:
1. By Express(DHL, FedEx, TNT, UPS ect): Door to door, Short Delivery time, 3-5 days.
2. By Air: Short Delivery Time, 3-7 days.
3. By Sea: Cheap Shipping Cost, 7-30 days.

Package: Magnetic Isolation Package
Carton: 36*27*15CM



FAQ:
1. How to get prompt quotation?
Kindly offer us the specific size, quantity, coating(zinc/nickel), magnetism direction ect other
requiries. Then best price will be offered ASAP. 

2.What about the lead time?
(1) Sample: 5-7 days. 
(2)  Batch quantity: 7-9 days.

3.What's the MOQ?
(1) Spot Stocks: No MOQ;
(2) Regular Size: 500 PCS, 1000 PCS, 2000 PCS, 5000 PCS ect.
(3) Other Size: 2000 PCS, 5000 PCS, 10000 PCS ect.

4. Terms of Paymemt:
(1). T/T in advance(telegraphic transfer-bank order)
(2). Western Union cash - for samples order.
(3). PayPal- for samples order, quick receipt

Please feel free to contact me for any questions and requiries!