HJ-S074
Speaker Magnet, Industrial Magnet, Jewelry Magnet, Motor Magnet
Sheet
Zinc/Nickel
N35-N52; N35m-N50m; N35h-N48h, N35sh-N45sh
Neodymium Magnet
Sintered
Available
+/-0.05mm
80-200c
7.50-7.65g/cm3
5-7 Days
HJ
by Carton or Wooden Box
RoHS SGS MSDS
Nanjing, Jiangsu, China
85051110
Product Description
N35 N42 N48 N50 N52 Disc Neodymium Magnet Manufacturer
Support ODM / OEM. Free Samples Available.
Support ODM / OEM. Free Samples Available.

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

Different sizes and grades can be customized.

https://huajinmag.en.made-in-china.com/product-group/WqSEzBMynrkA/Disc-Magnet-catalog-1.html





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.

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.
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.
(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.