Neodymium Permanent Magnet Magnetic Assembly for Gold

Large Size Certificated Ring Neodymium Magnet

NdFeB magnet offer the strongest magnetic power today. They are particularly suitable for high volume production in a wide variety of shape and size. Precise dimensional control is achieved in machining processes.

1. Applications: Motors, Generators, Sensors, Speakers, Earphones and other musical instruments, Magnetic therapy devices, Magnetic Chuck, Magnetic bearings and couplings, NdFeB Pot Magnet and other magnetic applications.

2. Grade: N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH, N28UH-N42UH, N28EH-N40EH, N28AH-N38AH.

3. Shape: Arc, Customized Design.

4. Coating: Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc.

5. Size: Customized size per your requirements.

6. Certification: ISO9001: 2008, ISO/TS16949: 2009 and RoHS.
/ Sintered NdFeB Magnet
Grade







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.