Item | Block/rectangle Magnet |
Grade | N35~N52,38M-48M,35H-48H,33SH-44SH,30UH-35UH,30EH-35EH |
Composition | Neodymium Magnet |
Application | Voice-coil Motor(VCM), MRI, Generator, Car, Speaker, Computer |
Working Temp. | 80ºC~200ºC |
Coating | Zinc, Ni-cu-ni, Nickel etc |
Dimension | Customized size |
Magnetism Direction | Through thickness(Axially)+Radially |
Type | Strong&Permanent |
Performance | Permanent, Strong, Rust-proof, Anti-corrosion |


Our Company
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 packaging 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 treatment:
Gold, silver, plated epoxy, nickel-plated copper-nickel, zinc, chromium, titanium
(blue zinc, black zinc, color zinc), above the surface treatment to meet
environmental requirements.


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 |
Advantages of Sintered Magnet:
*Extreme strong Br Resident induction.
*Excellent demagnetization resistance capability.
*Good Price relative to its high magnetic properties.
Our Advantages:
1. 10 years professional Neodymium Magnet Manufacturer
2. Trade Assurance to Secure your trade safety
3. High quality Rare earth Materials used.
4. Fast delivery Time for magnet produce and Magnetic Assemblies.
5. Free sample available.
6. Difference Specification Choice
7. Experienced Staff
8. Advanced equipment
9. OEM are welcomed,samples is available,small orders accepted
10.100% Quality & Best Service Guarantee:Competitive pricing doesn't mean
we skimp on service. Our fully staffed office of experienced professionals
strives to return your quote on the same business day.
11. Payment:We can accept T/T,Westernion Union,Paypal
Payment Term:
T/T, L/C, Western Union, PayPal.
Package & Shipment:
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.

Package: Magnetic Isolation Package
Carton: 36*27*15CM

How to contact us?
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.