/ Sintered NdFeB Magnet |
Grade |
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Residual Induction (Br) |
Coercive Force (Hcb) |
Intrinsic Coercive Force (Hcj) |
Max Energy Product (BH)max |
Temp. Coefficient Tk |
Max Working Temp. |
Curie Temp. |
T |
kGs |
kA/m |
kOe |
kA/m |
kOe |
kJ/m³ |
MGOe |
%/ºC(Br) |
%/ºC(Hcj) |
ºC |
ºC |
N35 |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥955 |
≥12 |
263-287 |
33-36 |
-0.12 |
-0.70 |
80 |
310 |
N38 |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥955 |
≥12 |
287-310 |
36-39 |
-0.12 |
-0.70 |
80 |
310 |
N40 |
1.25-1.28 |
12.5-12.8 |
≥907 |
≥11.4 |
≥955 |
≥12 |
302-326 |
38-41 |
-0.12 |
-0.70 |
80 |
310 |
N42 |
1.28-1.32 |
12.8-13.2 |
≥915 |
≥11.5 |
≥955 |
≥12 |
318-342 |
40-43 |
-0.12 |
-0.70 |
80 |
310 |
N45 |
1.32-1.38 |
13.2-13.8 |
≥923 |
≥11.6 |
≥955 |
≥12 |
342-366 |
43-46 |
-0.12 |
-0.70 |
80 |
310 |
N48 |
1.38-1.42 |
13.8-14.2 |
≥923 |
≥11.6 |
≥955 |
≥12 |
366-390 |
46-49 |
-0.12 |
-0.70 |
80 |
310 |
N50 |
1.40-1.45 |
14.0-14.5 |
≥796 |
≥10.0 |
≥876 |
≥11 |
382-406 |
48-51 |
-0.12 |
-0.70 |
60 |
310 |
N52 |
1.43-1.48 |
14.3-14.8 |
≥796 |
≥10.0 |
≥876 |
≥11 |
398-422 |
50-53 |
-0.12 |
-0.70 |
60 |
310 |
N35M |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1114 |
≥14 |
263-287 |
33-36 |
-0.12 |
-0.70 |
100 |
310 |
N38M |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1114 |
≥14 |
287-310 |
36-39 |
-0.12 |
-0.70 |
100 |
310 |
N40M |
1.25-1.28 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1114 |
≥14 |
302-326 |
38-41 |
-0.12 |
-0.70 |
100 |
310 |
N42M |
1.28-1.32 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1114 |
≥14 |
318-342 |
40-43 |
-0.12 |
-0.70 |
100 |
310 |
N45M |
1.32-1.38 |
13.2-13.8 |
≥995 |
≥12.5 |
≥1114 |
≥14 |
342-366 |
43-46 |
-0.12 |
-0.70 |
100 |
310 |
N48M |
1.37-1.43 |
13.7-14.3 |
≥1027 |
≥12.9 |
≥1114 |
≥14 |
366-390 |
46-49 |
-0.12 |
-0.70 |
100 |
310 |
N50M |
1.40-1.45 |
14.0-14.5 |
≥1033 |
≥13 |
≥1114 |
≥14 |
382-406 |
48-51 |
-0.12 |
-0.70 |
100 |
310 |
N35H |
1.17-1.22 |
11.7-12.2 |
≥868 |
≥10.9 |
≥1353 |
≥17 |
263-287 |
33-36 |
-0.12 |
-0.70 |
120 |
310 |
N38H |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥1353 |
≥17 |
287-310 |
36-39 |
-0.12 |
-0.70 |
120 |
310 |
N40H |
1.25-1.28 |
12.5-12.8 |
≥923 |
≥11.6 |
≥1353 |
≥17 |
302-326 |
38-41 |
-0.12 |
-0.70 |
120 |
310 |
N42H |
1.28-1.32 |
12.8-13.2 |
≥955 |
≥12.0 |
≥1353 |
≥17 |
318-342 |
40-43 |
-0.12 |
-0.70 |
120 |
310 |
N45H |
1.32-1.36 |
13.2-13.6 |
≥963 |
≥12.1 |
≥1353 |
≥17 |
342-366 |
43-46 |
-0.12 |
-0.70 |
120 |
310 |
N48H |
1.37-1.43 |
13.7-14.3 |
≥995 |
≥12.5 |
≥1353 |
≥17 |
366-390 |
46-49 |
-0.12 |
-0.70 |
120 |
310 |
N35SH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥1592 |
≥20 |
263-287 |
33-36 |
-0.11 |
-0.65 |
150 |
320 |
N38SH |
1.22-1.25 |
12.2-12.5 |
≥907 |
≥11.4 |
≥1592 |
≥20 |
287-310 |
36-39 |
-0.11 |
-0.65 |
150 |
320 |
N40SH |
1.25-1.28 |
12.5-12.8 |
≥939 |
≥11.8 |
≥1592 |
≥20 |
302-326 |
38-41 |
-0.11 |
-0.65 |
150 |
320 |
N42SH |
1.28-1.32 |
12.8-13.2 |
≥987 |
≥12.4 |
≥1592 |
≥20 |
318-342 |
40-43 |
-0.11 |
-0.65 |
150 |
320 |
N45SH |
1.32-1.38 |
13.2-13.8 |
≥1003 |
≥12.6 |
≥1592 |
≥20 |
342-366 |
43-46 |
-0.11 |
-0.65 |
150 |
320 |
N28UH |
1.04-1.08 |
10.4-10.8 |
≥764 |
≥9.6 |
≥1990 |
≥25 |
207-231 |
26-29 |
-0.11 |
-0.60 |
180 |
330 |
N30UH |
1.08-1.13 |
10.8-11.3 |
≥812 |
≥10.2 |
≥1990 |
≥25 |
223-247 |
28-31 |
-0.11 |
-0.60 |
180 |
330 |
N33UH |
1.13-1.17 |
11.3-11.7 |
≥852 |
≥10.7 |
≥1990 |
≥25 |
247-271 |
31-34 |
-0.11 |
-0.60 |
180 |
330 |
N35UH |
1.17-1.22 |
11.7-12.2 |
≥860 |
≥10.8 |
≥1990 |
≥25 |
263-287 |
33-36 |
-0.11 |
-0.60 |
180 |
330 |
N38UH |
1.22-1.25 |
12.2-12.5 |
≥876 |
≥11.0 |
≥1990 |
≥25 |
287-310 |
36-39 |
-0.11 |
-0.60 |
180 |
330 |
N40UH |
1.25-1.28 |
12.5-12.8 |
≥899 |
≥11.3 |
≥1990 |
≥25 |
302-326 |
38-41 |
-0.11 |
-0.60 |
180 |
330 |
N42UH |
1.28-1.32 |
12.8-13.2 |
≥899 |
≥11.3 |
≥1990 |
≥25 |
318-342 |
40-43 |
-0.11 |
-0.60 |
180 |
330 |
N28EH |
1.04-1.08 |
10.4-10.8 |
≥780 |
≥9.8 |
≥2388 |
≥30 |
207-231 |
26-29 |
-0.11 |
-0.55 |
200 |
330 |
N30EH |
1.08-1.13 |
10.8-11.3 |
≥812 |
≥10.2 |
≥2388 |
≥30 |
223-247 |
28-31 |
-0.11 |
-0.55 |
200 |
330 |
N33EH |
1.13-1.17 |
11.3-11.7 |
≥836 |
≥10.5 |
≥2388 |
≥30 |
247-271 |
31-34 |
-0.11 |
-0.55 |
200 |
330 |
N35EH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥2388 |
≥30 |
263-287 |
33-36 |
-0.11 |
-0.55 |
200 |
330 |
N38EH |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥2388 |
≥30 |
287-310 |
36-39 |
-0.11 |
-0.55 |
200 |
330 |
N40EH |
1.25-1.28 |
12.5-12.8 |
≥899 |
≥11.3 |
≥2388 |
≥30 |
302-326 |
38-41 |
-0.11 |
-0.55 |
200 |
330 |
N28AH |
1.04-1.08 |
10.4-10.8 |
≥787 |
≥9.9 |
≥2624 |
≥33 |
207-231 |
26-29 |
-0.10 |
-0.50 |
230 |
350 |
N30AH |
1.08-1.13 |
10.8-11.3 |
≥819 |
≥10.3 |
≥2624 |
≥33 |
223-247 |
28-31 |
-0.10 |
-0.50 |
230 |
350 |
N33AH |
1.13-1.17 |
11.3-11.7 |
≥843 |
≥10.6 |
≥2624 |
≥33 |
247-271 |
31-34 |
-0.10 |
-0.50 |
230 |
350 |
N35AH |
1.17-1.22 |
11.7-12.2 |
≥876 |
≥11.0 |
≥2624 |
≥33 |
263-287 |
33-36 |
-0.10 |
-0.50 |
230 |
350 |
N38AH |
1.22-1.25 |
12.2-12.5 |
≥899 |
≥11.3 |
≥2624 |
≥33 |
287-310 |
36-39 |
-0.10 |
-0.50 |
230 |
350 |
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*The above-mentioned data of magnetic properties and physical properties are given at room temperature. |
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*The max working temperature of magnet is changeable due to length-diameter ratio, coating thickness and another environment factors. |
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About SDM
SDM Magnetics Co., Ltd. is a leading Chinese manufacturer of high quality permanent magnet and magnetic assemblies since 2014. SDM serves a variety of markets include automotive, industrial automation, consumer electronics, green energy, household appliances, and aerospace. To meet the more and more demanding markets, SDM has been concentrating on manufacturing technologies for quality stability and cost reduction. With grain boundary diffusion technology, SDM can offer competitive prices for high coercivity Neodymium magnets. SDM has also built up a strategic cooperation with China's No.1 rare earth miner CHINALCO, which gives us strong and safe backup for rare earth raw materials.
Our Certifications
SDM obtained IATF 16949: 2016 and ISO9001:2015 quality management system certification from international certification institutions. SDM regularly arranges RoHS and REACH Testing in external third-party laboratory, and all testing results are satisfying relevant directives.
1: How fast can I get a reply?
You will receive our reply within 15 minutes during our work time 08:00 - 18:00(UTC-8).
2: Can I get free samples?
Free samples are available at SDM warehouse. However it may take minimum 7 days for production if your size is not on our stock list.
3: Are you able to offer best prices?
Magnets are functional products, the costs depend on how strong the materials you need. We believe the most suitable is the best, therefore SDM is keen to offer best prices to meet your target.
4: Are you able to provide best quality?
At SDM you receive products under guarantee of ISO9001, ISO/TS16949 systems.
5: What are your best lead-times?
Immediately shipments are available for stock magnets. For fresh materials, we need 7-15 days for production.