Sintered Neodymium Magnets

Chongqing Great Wall Technology Co., Ltd

Great Wall Technology is a high-tech combo enterprise which integrates R&D, production, marketing of Ferrite magnet, NdFeB magnet, Alnico magnet, SmCo magnet, SmFeN magnet, as well as Magnetic assembly, etc.

Our Highlights
Magnetic solutions simulation, Mechanical engineering adjustment, Pilot and volume production optimization, Prototyping suggestion.

Ur Product
GWT focus on making magnetic assemblies (magnetic coupling, magnetic rotor and stator, high-precision rotor assembly etc).

Our Service
We are striving to continuously improve the magnetic quality, response rate and competitiveness.

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Sintered Neodymium Iron Boron Permanent Magnet

Sintered NdFeB (Neodymium Iron Boron) magnets are a type of permanent magnet made of an alloy of

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Neodymium Block Magnet

What Is Neodymium Block Magnet Neodymium block magnet is a type of powerful permanent magnet made

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Sintered Neodymium Iron Boron Permanent Magnet

Sintered neodymium-iron-boron (NdFeB) magnets, also widely referred to as“neo”magnets, have be

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Neodymium Arc Magnets

Sintered NdFeB magnet is an alloy magnet that mainly comprises of the neodymium, iron and boron

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Neodymium Block Magnet

Neodymium magnets, also known as Neo or NdFeB magnets, are a type of rare earth permanent magnets

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Neodymium Disc Magnets

Neodymium Magnets, also known as NdFeB, NIB, or Neo magnets, are the most widely-used type of

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Neodymium Countersunk Ring Magnet

Sintered Neodymium magnets are manufactured on the basis of Nd-Fe-B alloys and have the highest

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Neodymium Cylinder Magnet

Sintered NdFeB Magnet is the 3rd generation of permanent magnet developed in 1980. It offers the

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Neodymium Countersunk Magnet

Neodymium magnets, commonly known as NdFeB magnets, are a type of high performance rare earth

Sinteed NdFeB Magnetic Properties
Grade	Residual lnduction		Coercive Force		lntrinsic Coercivity		Maximum Energy Product		TW
	Br		HCb		HCj		(BH)max		TW
	kGs	T	kOe	kA/m	kOe	kA/m	MGOe	kj/m3	℃
N35	11.7-12.1	1.17-1.21	≥10.9	≥868	≥12	≥955	33-36	263-287	80
N38	12.1-12.5	1.21-1.25	≥11.3	≥899			36-39	287-310
N40	12.5-12.8	1.25-1.28	≥11.6	≥923			38-41	302-326
N42	12.8-13.2	1.28-1.32	≥11.6	≥923			40-43	318-342
N45	13.2-13.8	1.32-1.38	≥11.0	≥876			43-46	342-366
N48	13.8-14.2	1.38-1.42	≥10.5	≥835	≥11	≥876	46-49	366-390
N50	14.0-14.5	1.40-1.45	≥10.0	≥796			48-51	382-406	60
N52	14.3-14.8	1.43-1.48	≥10.0	≥796			50-53	398-422	60
35M	11.7-12.2	1.17-1.22	≥10.9	≥868	≥14	≥1114	33-36	263-287	100
38M	12.2-12.5	1.22-1.25	≥11.3	≥899			36-38	287-302
40M	12.5-12.8	1.25-1.28	≥11.6	≥923			38-40	302-318
42M	12.8-13.2	1.28-1.32	≥12.0	≥955			40-43	318-342
45M	13.2-13.8	1.32-1.38	≥12.5	≥955			43-46	342-366
48M	13.6-14.0	1.36-1.40	≥12.8	≥1019			45-48	358-382
50M	14.0-14.5	1.40-1.45	≥13.1	≥1043			48-51	382-406
33H	11.3-11.7	1.13-1.17	≥10.5	≥836	≥17	≥1353	31-34	247-271	120
35H	11.7-12.1	1.17-1.21	≥10.9	≥868			33-36	263-287
38H	12.1-12.5	1.21-1.25	≥11.3	≥899			36-39	287-310
40H	12.4-12.8	1.24-1.28	≥11.6	≥923			38-41	302-326
42H	12.8-13.2	1.28-1.32	≥12.0	≥955			40-43	318-342
45H	13.2-13.6	1.32-1.36	≥12.1	≥963			43-46	326-358
48H	13.6-14.0	1.36-1.40	≥12.8	≥1019	≥16	≥1274	46-48	358-382
33SH	11.3-11.7	1.13-1.17	≥10.6	≥844	≥20	≥1592	31-34	247-272	150
35SH	11.7-12.1	1.17-1.21	≥11.0	≥876			33-36	263-287
38SH	12.1-12.5	1.21-1.25	≥11.4	≥907			36-39	287-310
40SH	12.4-12.8	1.24-1.28	≥11.8	≥939			38-40	302-326
42SH	12.8-13.2	1.28-1.32	≥12.2	≥971			40-43	318-342
45SH	13.2-13.8	1.32-1.38	≥12.3	≥979			43-46	342-366
30UH	10.8-11.3	1.08-1.13	≥10.2	≥812	≥25	≥1990	28-31	223-247	180
33UH	11.3-11.7	1.13-1.17	≥10.7	≥852			31-34	247-271
35UH	11.7-12.2	1.17-1.22	≥10.9	≥876			33-36	263-287
38UH	12.2-12.5	1.22-1.25	≥11.4	≥907			36-38	287-302
40UH	12.5-12.8	1.25-1.28	≥11.8	≥939			38-40	302-318
28EH	10.4-10.9	1.04-1.09	≥9.8	≥780	≥30	≥2388	26-29	207-231	200
30EH	10.8-11.3	1.08-1.13	≥10.2	≥812			28-31	223-247
33EH	11.3-11.7	1.13-1.17	≥10.7	≥852			31-33	247-263
35EH	11.8-12.2	1.18-1.22	≥10.9	≥868			33-36	263-287
38EH	12.2-12.5	1.22-1.25	≥11.4	≥907			36-38	287-302
28AH	10.3-10.9	1.03-1.09	≥9.80	≥780	≥35	≥2786	26-29	207-231	220
30AH	10.8-11.3	1.08-1.13	≥10.2	≥804			28-31	223-247
33AH	11.3-12.1	1.13-1.21	≥10.7	≥852			31-35	247-279

Material	Sintered Neodymium-Iron-Boron ( NdFeB )
Grade & working Temperature	Grade	Max. Operating Temperatures
	N35-N55	80°C (176°F)
	35M- 54M	100°C (212°F)
	35H-52H	120°C (248°F)
	35SH-50SH	150°C (302°F)
	28UH-48UH	180°C (356°F)
	28EH-45EH	200°C (392°F)
	28AH-42AH	220°C (428°F)
Size	Customized size
Shape	Customized (block,Disc,Cylinder, Bar, Ring,Arc,Countersunk, Segment, hook)
Coating	Customised (Ni, Zn, Epoxy, Gold, etc.)
Size tolerance	±0.05mm for diamater /thickness, ±0.1mm for width/ length
Density	7.5-7.6g/cm³
Magnetization	Thickness Magnetized, Axially Magnetized, Diametrally Magnetized
Applications	Neodymium(NdFeB) Magnet are widely used in many fields, such as motors, sensors,microphones, wind turbines, wind generators,printer, switchboard, packing box , loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, ect.

Product Name	Super Strong Customizable Sintered N52 Neodymium Magnet Block Magnet Neodymium With Magnets Materials Blocks
Meterial	Neodymium
Grade	N52 or as per client's request
Size	Customized size
Shape	Customized (block,Disc,Cylinder, Bar, Ring,Arc,Countersunk, Segment, hook)
Coating	Customised (Ni, Zn, Epoxy, Gold, etc.)
Sample	Avaliable
Advantage	1. High-level Machining Ablity 2. Excellent consistency 3. All shapes can be made 4. Timely delivery guaranteed 5. Low MOQ
Magnetic Grade & Working Temperature	Magnetic Grade	Working Temperature
	N35-N45	80 ℃（176 ℉）
	N48-N52	60 ℃（160 ℉）
	35M-50M	100 ℃（212 ℉）
	33H-48H	120℃（248 ℉）
	33H-48H	150 ℃（302 ℉）
	30UH-40UH	180 ℃（356 ℉）
	28EH-38RH	200℃（392 ℉）
	28AH-33AH	220 ℃（428 ℉）

Sizes & Tolerances

We can produce different shapes, like disc, cylinder, ring, arc segment and custom complicate shapes, a wide range of sizes are possible with a few limits.

We accept customized services

Shape and dimensions

Material and coating

Processing according to your design drawings

FAQ

Q: Are you trading company or manufacturer ?

A: We are a magnet manufacture, which is in a integration of industry and trade and raw materials productions.

Q: How long is your delivery time?

A: Generally it is 7-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.Our MOQ is 100PCs.

Q: How can you guarantee the quality of your products?

A: Every production process is controlled by professional technicians,and we have a perfect QC system,which has 100%quality inspection before delivery.

Q: What information do i need tosupply when i have a inquiry?

A: If you have any inquiry,please kindly advise the following items:
Product shape,size,grade,coating,working temperature(normal or high temperature) magnet direction, etc.
Order quantity.
Attached the drawing if customized.
Any special packing or other requirements.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could sent you the sample in stock to check the quality for free charge but do not pay the cost freight.

Q: What is your terms of payment ?

A: 30% prepayment after order, pay the full amount before delivery.

Chongqing Great Wall Technology Co., Ltd. is well-known as one of the leading sintered neodymium magnets manufacturers and suppliers in China. Please feel free to buy or wholesale high quality sintered neodymium magnets made in China here from our factory. For customized service, contact us now.

Neodymium Disc Magnets,