The Sintered NdFeB magnet is the strongest permanent magnet at present.
With the high remanence, high corrective force, high energy product,
reasonable price and availability to different dimensions,
|
|
|
Grade
|
Remanence
Br KGs
|
Coercive Force
Hcb Koe(KA/m)
|
Intrinsic
Coercive Force
Hcj Koe(KA/m)
|
Max Enery Product
(BH)max
KJ/m3(MGOe)
|
Max Working
Temp(°C)
TwoC
|
|
N35
|
11.7-12.1
|
≥10.8 (≥860)
|
≥12 (≥955)
|
263-287(33-36)
|
80
|
|
N38
|
12.1-12.5
|
≥10.8 (≥860)
|
≥12 (≥955)
|
287-310(36-39)
|
80
|
|
N40
|
12.5-12.8
|
≥11.6 (≥923)
|
≥12 (≥955)
|
302-326(38-41)
|
80
|
|
N42
|
12.8-13.2
|
≥11.6 (≥923)
|
≥12 (≥955)
|
318-342(40-43)
|
80
|
|
N45
|
13.2-13.8
|
≥11.0 (≥876)
|
≥12 (≥955)
|
342-366(43-46)
|
80
|
|
N48
|
13.8-14.2
|
≥10.5 (≥835)
|
≥12 (≥955)
|
366-390(46-49)
|
80
|
|
N50
|
13.8-14.5
|
≥10.5 (≥835)
|
≥12 (≥955)
|
374-406(47-51)
|
80
|
|
33M
|
11.3-11.7
|
≥10.3 (≥820)
|
≥14 (≥1114)
|
247-263(31-33)
|
100
|
|
35M
|
11.7-12.1
|
≥10.8 (≥860)
|
≥14 (≥1114)
|
263-287(33-36)
|
100
|
|
38M
|
12.1-12.5
|
≥11.0 (≥876)
|
≥14 (≥1114)
|
287-310(36-39)
|
100
|
|
40M
|
12.5-12.8
|
≥11.4 (≥907)
|
≥14 (≥1114)
|
302-326(38-41)
|
100
|
|
42M
|
12.8-13.2
|
≥11.6 (≥923)
|
≥14 (≥1114)
|
318-342(40-43)
|
100
|
|
45M
|
13.2-13.8
|
≥11.8 (≥939)
|
≥14 (≥1114)
|
342-366(43-46)
|
100
|
|
48M
|
13.6-14.0
|
≥11.8 (≥939)
|
≥14 (≥1114)
|
366-390(46-49)
|
100
|
|
30H
|
10.8-11.3
|
≥10.2 (≥812)
|
≥17 (≥1353)
|
223-247(28-31)
|
120
|
|
33H
|
11.3-11.7
|
≥10.6 (≥844)
|
≥17 (≥1353)
|
247-263(31-33)
|
120
|
|
35H
|
11.7-12.1
|
≥11.0 (≥876)
|
≥17 (≥1353)
|
263-287(33-36)
|
120
|
|
38H
|
12.1-12.5
|
≥11.2 (≥890)
|
≥17 (≥1353)
|
287-310(36-39)
|
120
|
|
40H
|
12.5-12.8
|
≥11.5 (≥915)
|
≥17 (≥1353)
|
302-326(38-41)
|
120
|
|
42H
|
12.8-13.2
|
≥12.0 (≥955)
|
≥17 (≥1353)
|
318-342(40-43)
|
120
|
|
45H
|
13.2-13.5
|
≥12.0 (≥955)
|
≥17 (≥1353)
|
335-366(42-46)
|
120
|
|
30SH
|
10.8-11.3
|
≥10.0 (≥796)
|
≥21 (≥1672)
|
223-247(28-31)
|
150
|
|
33SH
|
11.3-11.7
|
≥10.6 (≥844)
|
≥21 (≥1672)
|
247-263(31-33)
|
150
|
|
35SH
|
11.7-12.1
|
≥11.0 (≥876)
|
≥21 (≥1672)
|
263-287(33-36)
|
150
|
|
38SH
|
12.1-12.5
|
≥11.4 (≥907)
|
≥21 (≥1972)
|
287-310(36-39)
|
150
|
|
40SH
|
12.5-12.8
|
≥11.8 (≥939)
|
≥21 (≥1972)
|
302-326(38-41)
|
150
|
|
42SH
|
12.8-13.2
|
≥11.8 (≥939)
|
≥21 (≥1672)
|
320-343(40-43)
|
150
|
|
30UH
|
10.8-11.3
|
≥10.2 (≥812)
|
≥25 (≥1990)
|
223-247(28-31)
|
180
|
|
33UH
|
11.3-11.7
|
≥10.7 (≥852)
|
≥25 (≥1990)
|
247-263(31-33)
|
180
|
|
35UH
|
11.7-12.1
|
≥10.7 (≥852)
|
≥25 (≥1990)
|
263-287(33-36)
|
180
|
|
38UH
|
12.1-12.5
|
≥11.4 (≥907)
|
≥25 (≥1990)
|
287-310(36-39)
|
180
|
|
28EH
|
10.4-10.8
|
≥9.5 (≥756)
|
≥30 (≥2388)
|
207-231(26-29)
|
200
|
|
30EH
|
10.8-11.3
|
≥9.5 (≥756)
|
≥30 (≥2388)
|
223-247(28-31)
|
200
|
|
33EH
|
11.3-11.7
|
≥10.2 (≥812)
|
≥30 (≥2388)
|
247-363(31-33)
|
200
|
|
35EH
|
11.7-12.1
|
≥10.2 (≥812)
|
≥30 (≥2388)
|
263-287(33-36)
|
200
|
|
