NEODYMIUM-IRON-BORON Licensed, ISO 9002 Quality Standard Certified
Magnetic Characteristics
Min.
Nom.
Min.
N35
12.1
11.8
1.21
1.18
11.40
11.00
907
876
12
955
35
33
279
263
-0.11
N38
12.6
12.3
1.26
1.23
11.70
11.40
931
907
12
955
38
36
302
287
N40
12.9
12.6
1.29
1.26
11.90
11.60
947
923
12
955
40
38
318
302
N42
13.3
13.0
1.33
1.30
12.30
11.90
979
947
12
955
42
40
334
N45
13.6
13.3
1.36
1.33
12.10
11.80
963
939
12
955
45
43
N48
14.0
13.5
1.40
1.35
12.10
11.80
963
939
12
955
48
kOe
kA/m
Intrinsic Coercivity iHc kOe kA/m Min. Min.
Temperature Coefficients α (Br) β (Hc) %/°C %/°C
Nom.
Grade TP
Coercivity Hc
Maximum Energy Product (BH) max MGOe KJ/m3 Nom. Min. Nom. Min.
Residual Induction Br kG T Nom. Min. Nom. Min.
Material
Max. Working 0 Temp. C L/d> 0.7
Recoil Permeability
-0.60
80
1.05
-0.11
-0.60
80
1.05
-0.11
-0.60
80
1.05
318
-0.11
-0.60
80
1.05
358
342
-0.11
-0.60
80
1.05
46
382
366
-0.11
-0.60
80
1.05
µr
N38
M
12.6
12.3
1.26
1.23
12.20
11.70
971
931
14
1114
38
36
302
287
-0.11
-0.59
100
1.05
N40
M
12.9
12.6
1.29
1.26
12.30
11.80
979
939
14
1114
40
38
318
302
-0.11
-0.59
100
1.05
N42
M
13.3
13.0
1.33
1.30
12.40
12.00
987
955
14
1114
42
40
334
318
-0.11
-0.59
100
1.05
N45
M
13.6
13.3
1.36
1.33
12.20
11.80
963
939
14
1114
45
43
358
342
-0.11
-0.59
100
1.05
N30
H
11.2
10.8
1.12
1.08
10.70
10.20
852
812
17
1353
30
28
239
223
-0.11
-0.58
120
1.05
N35
H
12.1
11.8
1.21
1.18
11.60
11.10
923
884
17
1353
35
33
279
263
-0.11
-0.58
120
1.05
N38
H
12.6
12.3
1.26
1.23
12.10
11.70
963
931
17
1353
38
36
302
287
-0.11
-0.58
120
1.05
N40
H
13.0
12.6
1.30
1.26
12.00
11.50
955
915
17
1353
40
38
318
302
-0.11
-0.58
120
1.05
N42
H
13.1
12.8
1.31
1.28
12.00
11.50
955
915
17
1353
42
40
334
318
-0.11
-0.58
120
1.05
N44
H
13.5
13.2
1.35
1.32
12.00
11.50
955
915
17
1353
45
42
358
334
-0.11
-0.58
120
1.05
N30 SH
11.2
10.8
1.12
1.08
10.70
10.20
852
812
20
1592
30
28
239
223
-0.11
-0.55
150
1.05
N35 SH
12.0
11.7
1.20
1.17
11.60
11.10
923
884
20
1592
35
33
279
263
-0.11
-0.55
150
1.05
N38 SH
12.6
12.3
1.26
1.23
12.10
11.70
963
931
20
1592
38
36
302
287
-0.11
-0.55
150
1.05
N28 UH
10.9
10.5
1.09
1.05
10.40
10.00
828
796
25
1990
28
26
223
207
-0.11
-0.51
180
1.05
N30 UH
11.2
10.8
1.12
1.08
10.30
10.00
820
796
25
1990
30
28
239
223
-0.11
-0.51
180
1.05
N33 UH
11.5
11.1
1.15
1.11
10.80
10.50
860
836
25
1990
33
31
263
247
-0.11
-0.51
180
1.05
Ni-Cu-Ni
E Coating
Chromate
Epoxy
Available Coatings for Sintered NdFeB Magnets and Corrosion Resistance Coating
Ni-Zn
Corrosion Resistance
Excellent
Color Thickness
Multicolor 10-20µm
Zn
Ni
White
Color
Single Layer
Double Layers
Good
Excellent
Good
Excellent
Excellent
Very Good
Good
Excellent
White Multicolor Silver Silver 10-15µm 10-20µm 10-15µm 15-20µm
Silver 20-30µm
Black 20-30µm
Grey 5-10µm
Black 198-248µm
Physical and Manufacturing Characteristics Characteristic Density
Vickers Hardness
Value 7.5
Temperature Color Key Max.Working Temp. L/d> 0.7
D.P.N
570
80 0C = 176 0F
2
Symbol D
Unit
g/cm
Hv
3
0
0
0
0
Compression Strength
C.S
N/mm
780
100 C = 212 F
Coefficient of Thermal Expansion
C//
10-6/oC
3.4
120 C = 248 F
10 / C
-6 o
Electrical Resistance
CI R
-4.8 150
150 0C = 302 0F 0 0 180 C = 356 F
µΩ.cm
GROUP ARNOLD THE ARNOLD ENGINEERING CO. Import Products Department 300 N. West Street, Marengo, IL 60152 USA Phone: (+1) 815-568-2255 • Toll free: 800-545-4578 x255 Fax: (+1) 815-568-2236 E-mail:
[email protected]
www.grouparnold.com 1-10-01 IPD
