MAGNETIC
PROPERTIES
DATABASE
Comprehensive technical specifications for Sintered NdFeB. Search by grade, magnetic flux, and thermal stability.
PERMANENT MAGNETS · TECHNICAL SELECTION
Sintered NdFeB
The world’s strongest permanent magnet material. We provide high-performance solutions with a precise balance of Remanence (Br) and Intrinsic Coercivity (Hcj). Our full range of grades, from N33 up to N54, covers everything from high-flux consumer electronics to extreme-temperature EV motors up to 250°C.
100 Grades
Standard Selection
250 °C
Max. Operating Temp.
58 MGOe
Max. Energy Product
< 48h
Custom Quote Response
Data Reference Table
Technical Grade Specifications
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
N33
11.3
11.8
10.8
12
31
34
-0.12
-0.70
80
7.50
N35
11.8
12.4
10.8
12
33
36
-0.12
-0.70
80
7.50
N38
12.3
12.8
10.8
12
36
39
-0.12
-0.70
80
7.50
N40
12.7
13.0
11.3
12
38
42
-0.12
-0.70
80
7.55
N42
12.9
13.4
11.3
12
40
44
-0.12
-0.70
80
7.55
N45
13.3
13.7
11.3
12
42
46
-0.12
-0.70
80
7.55
N48
1.36
1.41
11.3
12
46
49
-0.12
-0.70
80
7.55
N50
14
14.3
10.8
11.5
47
50
-0.12
-0.70
80
7.60
N52
14.2
14.5
10.8
11.5
49
52
-0.12
-0.70
80
7.60
N55
14.4
14.7
10.8
11.5
52
55
-0.12
-0.70
80
7.6
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
35M
11.8
12.4
11
14
33
36
-0.12
-0.68
100
7.50
38M
12.3
12.8
11.5
14
36
40
-0.12
-0.68
100
7.50
40M
12.7
13
11.9
14
38
42
-0.12
-0.70
100
7.55
42M
12.9
13.4
12.2
14
40
44
-0.12
-0.68
100
7.55
45M
13.3
13.7
12.5
14
42
46
-0.11
-0.68
100
7.55
48M
13.6
14.1
13
14
45
49
-0.11
-0.68
100
7.60
50M
14.0
14.3
13.3
14
47
51
-0.12
-0.70
100
7.60
52M
14.2
14.5
13.5
14
49
52
-0.11
-0.68
100
7.60
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
35H
11.8
12.4
11
17
33
37
-0.10
-0.65
120
7.55
38H
12.3
12.8
11.5
17
36
40
-0.10
-0.68
120
7.55
40H
12.7
13.0
11.9
17
38
42
-0.10
-0.68
120
7.55
42H
12.9
13.4
12.2
17
40
44
-0.10
-0.65
120
7.55
45H
13.3
13.7
12.5
17
42
46
-0.10
-0.65
120
7.60
48H
13.6
14.1
13
17
45
49
-0.10
-0.65
120
7.60
50H
14.0
14.3
13.3
16
47
51
-0.10
-0.65
120
7.60
52H
14.2
14.5
13.5
16
49
52
-0.10
-0.65
120
7.60
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
35SH
11.8
12.4
11.0
20
33
37
-0.1
-0.6
150
7.55
38SH
12.3
12.8
11.5
20
36
40
-0.1
-0.6
150
7.55
40SH
12.7
13.0
11.9
20
38
42
-0.1
-0.6
150
7.60
42SH
12.9
13.4
12.2
20
40
44
-0.1
-0.6
150
7.60
45SH
13.3
13.7
12.5
20
42
46
-0.1
-0.6
150
7.60
48SH
13.6
14.1
13
20
45
49
-0.1
-0.6
150
7.60
50SH
14.0
14.3
13.3
19
47
51
-0.1
-0.6
150
7.60
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
33UH
11.3
11.8
10.8
25
31
35
-0.1
-0.6
180
7.60
35UH
11.8
12.4
11
25
33
37
-0.1
-0.6
180
7.60
38UH
12.3
12.8
11.5
25
36
40
-0.1
-0.6
180
7.60
40UH
12.7
13.0
11.9
25
38
42
-0.1
-0.6
180
7.60
42UH
12.9
13.4
12.2
25
40
44
-0.1
-0.6
180
7.66
45U
13.3
13.7
12.5
24
42
46
-0.1
-0.6
180
7.66
48UH
13.6
14.1
13.0
24
45
49
-0.1
-0.6
180
7.66
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
33EH
11.3
11.8
10.8
30
31
35
-0.1
-0.5
200
7.60
35EH
11.8
12.4
11
30
33
37
-0.1
-0.5
200
7.65
38EH
12.3
12.8
11.5
30
36
40
-0.1
-0.5
200
7.65
40EH
12.7
13.0
11.9
30
38
42
-0.1
-0.45
200
7.65
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
30AH
10.8
11.3
10.2
35
28
32
-0.1
-0.45
250
7.65
33AH
11.3
11.8
10.7
35
31
35
-0.1
-0.45
250
7.65
35AH
11.8
12.4
11.0
35
33
37
-0.1
-0.45
250
7.65
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
42SH-G
12.9
13.4
12.2
20
40
44
-0.1
-0.6
150
7.60
45SH-G
13.3
13.7
12.5
20
42
46
-0.1
-0.6
150
7.60
48SH-G
13.6
14.1
13.0
19
45
49
-0.1
-0.6
150
7.60
50SH-G
14.0
14.3
13.3
19
47
51
-0.1
-0.6
150
7.60
52SH-G
14.2
14.4
13.6
19
49
53
-0.1
-0.6
150
7.60
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
35UH-G
11.8
12.2
11
25
33
37
-0.1
-0.6
180
7.60
38UH-G
12.3
12.6
11.5
25
36
40
-0.1
-0.6
180
7.60
40UH-G
12.7
13.0
11.9
25
38
42
-0.1
-0.6
180
7.60
42UH-G
12.9
13.4
12.2
25
40
44
-0.1
-0.6
180
7.65
45UH-G
13.3
13.7
12.5
25
42
46
-0.1
-0.6
180
7.65
48UH-G
13.6
14.1
13.0
25
45
49
-0.1
-0.6
180
7.65
50UH-G
14.0
14.3
13.3
24
47
51
-0.1
-0.6
180
7.65
52UH-G
14.2
14.4
13.6
24
49
53
-0.1
-0.6
180
7.65
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
33EH-G
11.3
11.8
10.8
30
31
35
-0.1
-0.6
200
7.60
35EH-G
11.8
12.4
11.0
30.0
33
37
-0.1
-0.5
200
7.65
38EH-G
12.3
12.8
11.5
30
36
40
-0.1
-0.5
200
7.65
40EH-G
12.7
13.0
11.9
30
38
42
-0.1
-0.5
200
7.65
42EH-G
12.9
13.3
12.2
30
40
44
-0.1
-0.5
200
7.65
45EH-G
13.3
13.7
12.5
29
42
46
-0.1
-0.5
200
7.65
48EH-G
13.6
14.1
13.0
29
45
49
-0.1
-0.6
200
7.65
| Material | Br (kGs) | Coercivity (kOe) | (BH)max (MGOe) | Temp. Coef. | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Hcb | Hcj | Min | Max | α(Br)%/°C | β(Hcj)%/°C | Tw (°C) | ||
30AH-G
10.8
11.3
10.2
35
28
32
-0.1
-0.45
220
7.65
33AH-G
11.3
11.8
10.7
33
31
35
-0.1
-0.45
220
7.65
35AH-G
11.8
12.2
11.0
35
33
37
-0.1
-0.6
220
7.65
38AH-G
12.2
12.6
11.3
33
35
39
-0.1
-0.6
220
7.65
40AH-G
12.5
12.9
11.6
33
37
41
-0.1
-0.6
220
7.65
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