Wholesale Neodymium 5mm Color Magnet Balls

NdFeB magnet offer the strongest magnetic power today. They are particularly suitable for high volume production in a wide variety of shape and size. Precise dimensional control is achieved in machining processes.
1.Our big advantages

1:). Magnets and Magnetic assemblies are Customized.

2:). Strategic cooperation with China's No.1 rare earth miner CHINALCO, which enables us strong and safe backup for rare earth raw materials cost stability, 3 x -3% annual price down guaranteed.

3:). ISO/TS 16949, VDA 6.3, ISO9001, ISO14001 certified company, RoHS, REACH, SGS, FDA complied product.

4:). 0 PPM performance for General Motor's OEM since 2010, remarkable customers such as SIEMENS, BMW, REGAL BELOIT, NIDEC, S&T Motiv.

5:). Over 100 million magnets delivered to American, European, Asian and African countries.

6:). One stop service from R&D to mass production.

2.Product Description
5mm color magnet ball now are very popular in  US,Europe,japan and many other country .You can use it to build and engineer limitless shapes and structures.

For children ,it's Creative and hot puzzle to enhance assembly ability,Improve intelligence and imagination.For adult,it can reduce stress effectively.





 

 

1.Neodymium magnet

1.Customized shape and size as per your requirements.

2. N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH, N28UH-N42UH, N28EH-N40EH, N28AH-N38AH.

3. Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc. 

4. ISO9001:2008, ISO/TS16949:2009 and RoHS. 

5. Applications: Motors, Generators, Sensors, Speakers, Earphones and other musical instruments, Magnetic therapy devices, Magnetic Chuck, Magnetic bearings and couplings, NdFeB Pot Magnet and other magnetic applications.

2.Customized Neodymium Magnet and Magnetic Assemblies
Neodymium Magnets and Neodymium Magnetic assemblies are Customized. You can tell us the Size, Shape and Grade of the Magnet, we can help you produce in 7-15 days !!

Shape	max.size	min.size
Block	240*100*40	2*2*1
Cylinder	D240*40	D2*1
Ring	OD240*40 (hole size customized)	D5*1*1
Arc	per your request
And other special shape neodymium magnet per your request.

3.More Magnets We Could Produce:

 

4. Grades, Coatings and Magnetization Direction

 

(1) Material grades include: N35--N52, N35M--N50M, N35H--N48H, N35SH--N45SH, N28UH--N42UH, N28EH--N40EH.

 

/ Sintered NdFeB Magnet
Grade
	Residual Induction (Br)		Coercive Force     (Hcb)		Intrinsic Coercive Force (Hcj)		Max Energy Product (BH)max		Temp. Coefficient             Tk		Max Working Temp.	Curie Temp.
	T	kGs	kA/m	kOe	kA/m	kOe	kJ/m³	MGOe	%/ºC(Br)	%/ºC(Hcj)	ºC	ºC
N35	1.17-1.22	11.7-12.2	≥868	≥10.9	≥955	≥12	263-287	33-36	-0.12	-0.70	80	310
N38	1.22-1.25	12.2-12.5	≥899	≥11.3	≥955	≥12	287-310	36-39	-0.12	-0.70	80	310
N40	1.25-1.28	12.5-12.8	≥907	≥11.4	≥955	≥12	302-326	38-41	-0.12	-0.70	80	310
N42	1.28-1.32	12.8-13.2	≥915	≥11.5	≥955	≥12	318-342	40-43	-0.12	-0.70	80	310
N45	1.32-1.38	13.2-13.8	≥923	≥11.6	≥955	≥12	342-366	43-46	-0.12	-0.70	80	310
N48	1.38-1.42	13.8-14.2	≥923	≥11.6	≥955	≥12	366-390	46-49	-0.12	-0.70	80	310
N50	1.40-1.45	14.0-14.5	≥796	≥10.0	≥876	≥11	382-406	48-51	-0.12	-0.70	60	310
N52	1.43-1.48	14.3-14.8	≥796	≥10.0	≥876	≥11	398-422	50-53	-0.12	-0.70	60	310
N35M	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1114	≥14	263-287	33-36	-0.12	-0.70	100	310
N38M	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1114	≥14	287-310	36-39	-0.12	-0.70	100	310
N40M	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1114	≥14	302-326	38-41	-0.12	-0.70	100	310
N42M	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1114	≥14	318-342	40-43	-0.12	-0.70	100	310
N45M	1.32-1.38	13.2-13.8	≥995	≥12.5	≥1114	≥14	342-366	43-46	-0.12	-0.70	100	310
N48M	1.37-1.43	13.7-14.3	≥1027	≥12.9	≥1114	≥14	366-390	46-49	-0.12	-0.70	100	310
N50M	1.40-1.45	14.0-14.5	≥1033	≥13	≥1114	≥14	382-406	48-51	-0.12	-0.70	100	310
N35H	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1353	≥17	263-287	33-36	-0.12	-0.70	120	310
N38H	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1353	≥17	287-310	36-39	-0.12	-0.70	120	310
N40H	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1353	≥17	302-326	38-41	-0.12	-0.70	120	310
N42H	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1353	≥17	318-342	40-43	-0.12	-0.70	120	310
N45H	1.32-1.36	13.2-13.6	≥963	≥12.1	≥1353	≥17	342-366	43-46	-0.12	-0.70	120	310
N48H	1.37-1.43	13.7-14.3	≥995	≥12.5	≥1353	≥17	366-390	46-49	-0.12	-0.70	120	310
N35SH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥1592	≥20	263-287	33-36	-0.11	-0.65	150	320
N38SH	1.22-1.25	12.2-12.5	≥907	≥11.4	≥1592	≥20	287-310	36-39	-0.11	-0.65	150	320
N40SH	1.25-1.28	12.5-12.8	≥939	≥11.8	≥1592	≥20	302-326	38-41	-0.11	-0.65	150	320
N42SH	1.28-1.32	12.8-13.2	≥987	≥12.4	≥1592	≥20	318-342	40-43	-0.11	-0.65	150	320
N45SH	1.32-1.38	13.2-13.8	≥1003	≥12.6	≥1592	≥20	342-366	43-46	-0.11	-0.65	150	320
N28UH	1.04-1.08	10.4-10.8	≥764	≥9.6	≥1990	≥25	207-231	26-29	-0.11	-0.60	180	330
N30UH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥1990	≥25	223-247	28-31	-0.11	-0.60	180	330
N33UH	1.13-1.17	11.3-11.7	≥852	≥10.7	≥1990	≥25	247-271	31-34	-0.11	-0.60	180	330
N35UH	1.17-1.22	11.7-12.2	≥860	≥10.8	≥1990	≥25	263-287	33-36	-0.11	-0.60	180	330
N38UH	1.22-1.25	12.2-12.5	≥876	≥11.0	≥1990	≥25	287-310	36-39	-0.11	-0.60	180	330
N40UH	1.25-1.28	12.5-12.8	≥899	≥11.3	≥1990	≥25	302-326	38-41	-0.11	-0.60	180	330
N42UH	1.28-1.32	12.8-13.2	≥899	≥11.3	≥1990	≥25	318-342	40-43	-0.11	-0.60	180	330
N28EH	1.04-1.08	10.4-10.8	≥780	≥9.8	≥2388	≥30	207-231	26-29	-0.11	-0.55	200	330
N30EH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥2388	≥30	223-247	28-31	-0.11	-0.55	200	330
N33EH	1.13-1.17	11.3-11.7	≥836	≥10.5	≥2388	≥30	247-271	31-34	-0.11	-0.55	200	330
N35EH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥2388	≥30	263-287	33-36	-0.11	-0.55	200	330
N38EH	1.22-1.25	12.2-12.5	≥899	≥11.3	≥2388	≥30	287-310	36-39	-0.11	-0.55	200	330
N40EH	1.25-1.28	12.5-12.8	≥899	≥11.3	≥2388	≥30	302-326	38-41	-0.11	-0.55	200	330
N28AH	1.04-1.08	10.4-10.8	≥787	≥9.9	≥2624	≥33	207-231	26-29	-0.10	-0.50	230	350
N30AH	1.08-1.13	10.8-11.3	≥819	≥10.3	≥2624	≥33	223-247	28-31	-0.10	-0.50	230	350
N33AH	1.13-1.17	11.3-11.7	≥843	≥10.6	≥2624	≥33	247-271	31-34	-0.10	-0.50	230	350
N35AH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥2624	≥33	263-287	33-36	-0.10	-0.50	230	350
N38AH	1.22-1.25	12.2-12.5	≥899	≥11.3	≥2624	≥33	287-310	36-39	-0.10	-0.50	230	350
*.
*The above-mentioned data of magnetic properties and physical properties are given at room temperature.
*\.
*The max working temperature of magnet is changeable due to length-diameter ratio, coating thickness and another environment factors.

 

(2) Coating includes Ni-Cu-Ni, Black Nickel, Zn, Sn,Au, Ag,Black Epoxy, Phosphated, Parylene, etc.

(3) Magnetization directions include:


5.Company Information

1.Our factory

SDM Magnetics is a supplier of Siemens Ltd Australia, GM, BMW, BENTLEY, and REGAL-BELOIT in European. We have been supplying magnetic materials since 2004. Our factory is in Tonglu, Hangzhou, which is about 200 kilometers from Shanghai and Ningbo. Our products are export to American,European and Asian countries.Our customers include motor manufacturers, industries equipments producers and so on.

.As a professional neodymium magnet manufacturer, we are certified by ISO9001:2008, ISO/TS16949:2009, RoHS, REACH, TUV, SGS

6.Our Exhibition

We Will Join CWIEME Berlin every year;

We Will Join  HANNOVER MESSE every year;

We Will Join  CWIEME Chicago every year.

If you are convenient, we could talk face to face !!

We could let our customers in your country to help you send the samples, to let you check our quality faster!! 
 

7.Our Services

 

1.Products Magnetization 

We can do all the magnetization for neodymium magnet including: Axial magnetization/Diametrical magnetization/Radial magnetization/Inner-diameter

multi-polar magnetization/Outer diameter multi-polar magnetization/Surface magnetization/Complex magnetization/Encoder magnetization/Skewed magnetization.

2. Standard Packing and Shipment

The package for neodymium we use:  Sea Pallet / Air Carton / Express Packaging / Plastic Tube / Wooden Case / Vacumm Package and any other packing terms as per your requirement.

 

FAQ

1: How fast can I get a reply?

You will receive our reply within 15 minutes during our work time 08:00 - 18:00(UTC-8).

 

2: Can I get free samples?

Free samples are available at SDM warehouse. However it may take minimum 7 days for production if your size is not on our stock list.

 

3: Are you able to offer best prices?

Magnets are functional products, the costs depend on how strong the materials you need. We believe the most suitable is the best, therefore SDM is keen to offer best prices to meet your target.

 

4: Are you able to provide best quality?

At SDM you receive products under guarantee of ISO9001, ISO/TS16949 systems.

 

5: What are your best lead-times?

Immediately shipments are available for stock magnets. For fresh materials, we need 7-15 days for production.