Basic Info.
Application
Speaker Magnet, Industrial Magnet, Jewelry Magnet, Motor Magnet
Shape
Square Round Countersunk
Coating
Ni, Zn, Gold, Silver, Copper, Epoxy, etc.
Model No
N35~N54(N, M, H, Sh, Uh, Eh, Ah)
Quality System
ISO9000, ISO14001, RoHS, SGS, Reach
Factory
Over 10 Years Experiences
Working Temperature
80 to 230
Preparation Meth
Sintering
Product Type
Rare Earth Magnet
Tolerance
+/-0.03mm to +/-0.15mm
Transport Package
Antimagnetic Packaging/Standard Carton
Specification
As Client′ s Request
Product Description
Welcome to Dongguan Shuyufeng Rare Earth Material Technology Co., Ltd.!
syfmagnet.en.made-in-china.com
Professional production of magnet materials for more than 10 years
Aiming to be the best neodymium magnet supplier in China
Provide super strong neodymium iron boron magnets and professional services.
NdFeB(Neodymium-Iron-Boron) magnet is used most popular by people in industry and our daily life, because it has superior magnetic properties than other kind of magnets.
1. Specifications of Sintered Neodymium Magnet | Place of Origin | Guangdong, China(Mainland) |
| Magnet Type | Sintered NeFeB / rare earth / Permanent |
| Composite | Neodymium-Iron-Boron |
| Grade | N35-N54( M, H, SH, UH, EH, AH series ) |
| Working Temperature | The Max. temp. is up to 80 / 100 /120 /150 / 230 celsius under different grade. |
| Tolerance | +/-0.03 to +/-0.15 |
| Shape of Magnet | Disc, Cylinder, Block, Ring, Sphere(ball), Arc Segment(Tile) and more custom shapes |
| Size | various sizes custom-make welcome |
| Coating | Ni, Zn, NiCuNi, gold, silver, copper, epoxy, etc. |
| Magnetization Direction | Axially Magnetized, Radially Magnetized(Diametrically), Multi-poles Magnetized or other customized |
| Certificate | ISO9000,ISO14001, ROHS, SGS, REACH |
| Application | Industrial Magnet, Toy Magnet, Health Magnet and more |
| Packaging | Antimagnetic Packaging / Neutral Packing / Custom-make welcome |
| Shipping Method | by see, by air or by int'l express |
| Lead Time | 7~20days |
Neodymium-Iron-Boron (NdFeB) magnets are composed of neodymium, iron, boron and a few transition metals. These kind of permanent magnets are extremely strong and can be producted in different shapes and sizes (ie. arcs, blocks, discs, rings).
It has higher unit magnetic properties than other magnet and assure you of smaller size and lighter weight in designing devices.
3. 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 |
MAGNETIC AND PHYSICAL CHARACTERISTICS | ries | 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/m3 | MGOe | ºC | °F |
| N | 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 |
| M | 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 |
| H | 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 |
| SH | 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 |
| UH | 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 |
| EH | 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 |
| AH | 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 |
6. Safety and Stable Packing
FAQ 1.How fast can I get a reply?
Answer:You will receive our reply within 15 minutes during our work time 08:00-18:00(UTC-8).2.Can I get free samples?Answer:Free samples are available at warehouse. However it may takeminimum 7 days for production if your size is not on our stock list.3.Are you able to offer best price?Answer:Magnets are functional products,the cost depend on how strong the materials you need. We believe the most suitable is the best, therefore SHUYUFENG keen to offer best prices to meet your targets.
4. Question: Which magnet is the strongest?Answer: Neodymium (or more accurately neodymium-iron-boron) magnets are the strongest permanent magnets in the world.5. Q: What are the restrictions on the size of neodymium magnets?Answer: The restrictions include:
The thickness of any magnet is 0.8mm~,
The outer diameter of any magnet is the minimum outer diameter of 2.5mm~,
The minimum diameter of any magnet hole is 1.5mm~.
The maximum diameter of the disc and ring can be customized to any maximum diameter.6. Question: What information do I need to provide when making an inquiry?Answer: If you have any questions, please tell us the following:
Dimensions, performance, shape and drawings with tolerances.
Material grade or magnetism.
Magnetic direction, quantity. Surface coating (if necessary).
Any special packaging, delivery or other requirements.7. Q: How about the sampling time and cost?A: 7-10 days, if the sample must be customized, charge according to your design.
We have samples and the delivery time is 3-7 days. (for reference only)8. Question: How long is the lead time for your products?Answer: 10-15 days.
Fast delivery Once you confirm your design, we will produce it as soon as possible and deliver it as quickly and easily as possible.9. Can you give me the shortest delivery time?Answer: It depends on whether we have inventory. If there is an emergency, we will try our best to satisfy you.10. What is your minimum order quantity?Answer: 10-100-500-1000-10000-200000 PCS depends on different sizes, items, designs and processes. Accept the minimum and small amounts accordingly.11. Q: How will I pay?Answer: T/T in advance (wire transfer-bank order), small order, sample order or air freight.
Western Union-small order or sample order.
Other payment methods: Alipay.
There may be some regional differences.12. Can I visit your factory?Answer: Yes, of course. If you want, we will help you to visit our factory. Everything will be arranged well.13. Q: Where is your factory?Answer: Our factory is located on the 3rd floor of Building A, No. 6, Alley 6, 3rd Street, Shiyong Village, Hengli Town, Dongguan City, Guangdong Province, China. About 90 minutes by car from Guangzhou Airport and 60 minutes by car from Shenzhen Airport14: If I have more questions, where can I get answers?Answer: If you have any questions, please feel free to contact us.Finally-why are we?1. Shu Yufeng has passed ISO9000, ISO14001, ROHS, SGS, REACH certification.
2. Three years of export experience let us know how to satisfy you.
3. The best quality and reasonable price.
4. Fast and punctual delivery.
Address:
Third Floor, Building a, Six Lanes, Third Street, Shiyong Village, Hengli Town, Dongguan, Guangdong, China
Business Type:
Trading Company
Business Range:
Metallurgy, Mineral & Energy
Company Introduction:
Dongguan ShuYufeng Rare Earth Materials Technology Co Ltd was established in early 2017 The company was committed to the exploitation and separation of rare earth source materials in the first 10 years of its establishment. After more than 10 years of technical precipitation, it has accumulated rich rare earth industry resources and experience The company is committed to high quality NdFeB strong magnet research and development production and sales of high quality NdFeB permanent magnet and NdFeB permanent magnet terminal products With abundant raw material supply strength can also meet the high quality demand of all walks of life Its products are widely used in electrical engineering instruments and meters automotive industry petrochemical industry nuclear magnetic resonance magnetic therapy and health care aviation aerospace electroacoustic electronics hardware and other high-tech fields as well as packaging boxes leather handbags toys handicrafts and other industries The company has advanced production and cutting equipment and professional technical personnel has its own factory to support the size customization of various specifications Professional production team with layers of quality control based on integrity and quality and service in the industry
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