Basic Info.
Application
Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Shape
Round/Rectangle/Irregular
Grade
N35-N52; N35m-N50m; N35h-N48h, N35sh-N45sh
Working Temp.
Max 176f/ 176f~392f
Transport Package
Box or Carton
Product Description
High Quality Magnetic Disc China Permanent Magnets for Speaker 18 Inch Subwoofer Magnet
Support ODM / OEM. Free Samples Available.
Product Description
Item | Disc Magnet/Round Magnet |
Grade | N35~N52 |
Composition | Neodymium Magnet |
Application | Voice-coil Motor(VCM), MRI, Generator, Car, Speaker, Computer |
Working Temp. | <80ºC (176°F) / 80ºC (176°F) ~ 200ºC (392°F) |
Coating | Zinc, Color Zinc, Nickel etc |
Grade | N35-N52, 38M-48M, 35H-48H, 33SH-44SH, 30UH-35UH |
Dimension | Customized size |
Magnet Direction | Through thickness(Axially)+Radially |
Type | Strong&Permanent |
Performance | Permanent, Strong, Rust-proof, Anti-corrosion |
Trade Term | CNF, FOB, CIF, EXW ect. |
Payment Term | TT, PayPal, Western Union ect. |
Magnetic Grade & Working Temperature | Magnetic Grade | Max. Working Temperature |
N35-N52 | 80ºC (176ºF) |
35M-52M | 100 ºC (212 ºF) |
33H-50H | 120ºC (248 ºF) |
33SH-45SH | 150 ºC (302 ºF) |
30UH-40UH | 180 ºC (356 ºF) |
28EH-38EH | 200ºC (392 ºF) |
28AH-33AH | 220 ºC (428 ºF) |
Axially (default) or Diametrically
Detailed Photos
Different sizes and grades can be customized.
https://huajinmag.en.made-in-china.com/product-group/WqSEzBMynrkA/Disc-Magnet-catalog-1.html Widely Applications of neodymium magnets:
1) Servomotor, step motor, DC motor and linear motor
2) Loudspeaker, headphone, earphone and microphones
3) Medical Industry: Medical equipment, Magnetic therapy products
4) Holding system equipment
5) Automobile industry:
6) Research and development, as well as many other applications
7) Home decoration: Curtain, magnetic sticker
8) Magnetic Separators - Used for recycling, food and liquids QC, waste removal
Purchasing Guides:
To offer you prompt and best prices, pls kindly furnish us the following details:
1) The dimension, coating, grade and magnetism direction(Axial or Radial)
2) Order Quantity( Prices depends on quantities)
3) Application(If you are not sure about the size, pls let us know the usage, then we can give some professional recommands)
4) Drawings offering if you have.
5) Other customized requirements Company Profile
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 pack 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 treat: Gold, silver, plated epoxy, nickel-plated copper-nickel, zinc, chromium, titanium (zinc, black zinc, color zinc), above the surface treatment to meet environmental requirement.
Grade | Remanence | Coercivity Force | Intrinsic Coercive Force | Max. Energy Product | Working Temp. |
| Br | Hcb | Hcj | (BH)max | |
mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe |
N35 | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 955 | ≥ 12 | 263-287 | 33-36 | 80 ° C |
N38 | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 955 | ≥ 12 | 287-310 | 36-39 | 80 ° C |
N40 | 1250-1280 | 12.5-12.8 | ≥ 907 | ≥ 11.4 | ≥ 955 | ≥ 12 | 302-326 | 38-41 | 80 ° C |
N42 | 1280-1320 | 12.8-13.2 | ≥ 915 | ≥ 11.5 | ≥ 955 | ≥ 12 | 318-342 | 40-43 | 80 ° C |
N45 | 1320-1380 | 13.2-13.8 | ≥ 923 | ≥ 11.6 | ≥ 955 | ≥ 12 | 342-366 | 43-46 | 80 ° C |
N48 | 1380-1420 | 13.8-14.2 | ≥ 923 | ≥ 11.6 | ≥ 876 | ≥ 12 | 366-390 | 46-49 | 80 ° C |
N50 | 1400-1450 | 14.0-14.5 | ≥ 796 | ≥ 10.0 | ≥ 876 | ≥ 11 | 382-406 | 48-51 | 60 ° C |
N52 | 1430-1480 | 14.3-14.8 | ≥ 796 | ≥ 10.0 | ≥ 876 | ≥ 11 | 398-422 | 50-53 | 60 ° C |
35M | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 1114 | ≥ 14 | 263-287 | 33-36 | 100 ° C |
38M | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 1114 | ≥ 14 | 287-310 | 36-39 | 100 ° C |
40M | 1250-1280 | 12.5-12.8 | ≥ 923 | ≥ 11.6 | ≥ 1114 | ≥ 14 | 302-326 | 38-41 | 100 ° C |
42M | 1280-1320 | 12.8-13.2 | ≥ 955 | ≥ 12.0 | ≥ 1114 | ≥ 14 | 318-342 | 40-43 | 100 ° C |
45M | 1320-1380 | 13.2-13.8 | ≥ 995 | ≥ 12.5 | ≥ 1114 | ≥ 14 | 342-366 | 43-46 | 100 ° C |
48M | 1360-1430 | 13.6-14.3 | ≥ 1027 | ≥ 12.9 | ≥ 1114 | ≥ 14 | 366-390 | 46-49 | 100 ° C |
50M | 1400-1450 | 14.0-14.5 | ≥ 1033 | ≥ 13.0 | ≥ 1114 | ≥ 14 | 382-406 | 48-51 | 100 ° C |
35H | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 1353 | ≥ 17 | 263-287 | 33-36 | 120 ° C |
38H | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 1353 | ≥ 17 | 287-310 | 36-39 | 120 ° C |
40H | 1250-1280 | 12.5-12.8 | ≥ 923 | ≥ 11.6 | ≥ 1353 | ≥ 17 | 302-326 | 38-41 | 120 ° C |
42H | 1280-1320 | 12.8-13.2 | ≥ 955 | ≥ 12.0 | ≥ 1353 | ≥ 17 | 318-342 | 40-43 | 120 ° C |
45H | 1300-1360 | 13-13.6 | ≥ 963 | ≥ 12.1 | ≥ 1353 | ≥ 17 | 326-358 | 43-46 | 120 ° C |
48H | 1370-1430 | 13.7-14.3 | ≥ 995 | ≥ 12.5 | ≥ 1353 | ≥ 17 | 366-390 | 46-49 | 120 ° C |
33SH | 1130-1170 | 11.3-11.7 | ≥ 844 | ≥ 10.6 | ≥ 1592 | ≥ 20 | 247-271 | 31-34 | 150 ° C |
35SH | 1170-1220 | 11.7-12.2 | ≥ 876 | ≥ 11.0 | ≥ 1592 | ≥ 20 | 263-287 | 33-36 | 150 ° C |
38SH | 1220-1250 | 12.2-12.5 | ≥ 907 | ≥ 11.4 | ≥ 1592 | ≥ 20 | 287-310 | 36-39 | 150 ° C |
40SH | 1240-1280 | 12.5-12.8 | ≥ 939 | ≥ 11.8 | ≥ 1592 | ≥ 20 | 302-326 | 38-41 | 150 ° C |
42SH | 1280-1320 | 12.8-13.2 | ≥ 987 | ≥ 12.4 | ≥ 1592 | ≥ 20 | 318-342 | 40-43 | 150 ° C |
45SH | 1320-1380 | 13.2-13.8 | ≥ 1003 | ≥ 12.6 | ≥ 1592 | ≥ 20 | 342-366 | 43-46 | 150 ° C |
30UH | 1080-1130 | 10.8-11.3 | ≥ 812 | ≥ 10.2 | ≥ 1990 | ≥ 25 | 223-247 | 28-31 | 180 ° C |
33UH | 1130-1170 | 11.3-11.7 | ≥ 852 | ≥ 10.7 | ≥ 1990 | ≥ 25 | 247-271 | 31-34 | 180 ° C |
35UH | 1180-1220 | 11.8-12.2 | ≥ 860 | ≥ 10.8 | ≥ 1990 | ≥ 25 | 263-287 | 33-36 | 180 ° C |
38UH | 1220-1250 | 12.2-12.5 | ≥ 876 | ≥ 11.0 | ≥ 1990 | ≥ 25 | 287-310 | 36-39 | 180 ° C |
40UH | 1240-1280 | 12.5-12.8 | ≥ 899 | ≥ 11.3 | ≥ 1990 | ≥ 25 | 302-326 | 38-41 | 180 ° C |
Trading Conditions
1. Sample:We can provide some samples to test.
2. Delivery date:Around 7~20 days after receipt the 30% payment in advance.
3. Shipment terms:there are two shipping methods, one is by sea, and another one is by express, including DHL, UPS, FedEx, TNT and so on.
4. Packing methods: magnetize packing box (for Air and Express) and normal packing box for sea.
Packaging & Shipping
Package: Magnetic Isolation Package
Carton: 36*27*15CM
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. 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: 7-12 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 small order or samples order.
(3). PayPal- for small order, quick receipt
Please feel free to contact me for any questions and requiries.
Address:
3f, Bldg. 2, Honghui Industrial Pk, No 780, Yingtian St., Jianye Dist., Nanjing, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Agriculture & Food, Apparel & Accessories, Bags, Cases & Boxes, Construction & Decoration, Consumer Electronics, Electrical & Electronics, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Packaging & Printing, Toys
Management System Certification:
ISO 9001
Company Introduction:
Nanjing Huajin Magnet Co., Ltd. is a professional manufacturer specializing in the R & D and manufacture of the permanent magnet. We invest in high quality magnet production line with the vacuum sintering stove which helps to improve the uniformity of magnetic properties and corrosion resistance of sintered ND-Fe-B magnets. Our production line also contains centerless grinding machines, ultrasonic punch and linear cutting machine all of which make us capable of machining very special shapes of magnet, and providing high precision applied in aircraft and automobile industry. Our magnets have passed the SGS RoHS and MSDS test. Our magnets are widely used in toys, packing, speaker, motor, meter and medical care. With the advantage of senior magnetic assembly engineers, experienced staff and comprehensive machining equipment, we can produce high quality magnetic filter, magnetic clamp, magnetic chuck, magnetic attractor and other magnetic products catering to our customers′ different requirements.