NO25-1350H

The Cogent Hi-Lite grade NO25-1350H fulfils all requirements in the standards EN 10303:2015 and IEC 60404-8-8:2017. In many cases the minimum / maximum properties are better than those of the grades with the same nominal thickness in these standards.



Magnetic properties


Min / Max
values

Typical
values

Specific total loss at 1.0 T and 50 Hz

-

0.80 W/kg

Specific total loss at 1.5 T and 50 Hz

-

2.00 W/kg

Specific total loss at 1.0 T and 400 Hz

Max 13.5 W/kg

12.5 W/kg

Specific total loss at 1.5 T and 400 Hz

Max 32.5 W/kg

29.9 W/kg

Specific total loss at 1.0 T and 700 Hz

Max 31.5 W/kg

28.7 W/kg

Specific total loss at 1.0 T and 2500 Hz

-

214 W/kg

Peak magnetic polarisation at 2500 A/m and 50 Hz

Min 1.52 T

1.55 T

Peak magnetic polarisation at 5000 A/m and 50 Hz

Min 1.62 T

1.64 T

Peak magnetic polarisation at 10000 A/m and 50 Hz

Min 1.74 T

1.77 T

Relative peak permeability at 1.5 T and 50 Hz

-

740

Relative peak permeability at 1.0 T and 400 Hz

-

7600

 

Guaranteed values for losses are maximum total specific losses and guaranteed values for magnetic polarisations are minimum peak polarisations

 

Physical and mechanical properties

Nominal thickness 0.25 mm

Density (assumed) 7.60 kg/dm3

 


Min / Max
values

Typical
values

Electrical resistivity at 23 °C

-

59 µΩ·cm

Thermal conductivity at 23 °C

-

21 W/(m·K)

Thermal expansion 0-100 °C

-

12·10-6 /°C




Yield strength Rp0.2

Min 400 MPa

445 MPa

Tensile strength Rm

Min 500 MPa

535 MPa

Elongation at fracture A80

Min 12 %

17 %

Young’s modulus

-

185 GPa

 

Values for the yield strength, tensile strength and Young’s modulus are given for the rolling direction. Corresponding values for the transverse direction are approximately 2 % higher. 

 

Typical specific total loss

Jpeak

(T)


Typical specific total loss (W/kg)

50 Hz

100 Hz

200 Hz

400 Hz

700 Hz

1000 Hz

2500 Hz

5000 Hz

10000 Hz

0.1

0.01

0.03

0.07

0.19

0.43

0.74

3.12

9.62

29.6

0.2

0.06

0.13

0.29

0.73

1.62

2.75

11.2

33.7

99.3

0.3

0.11

0.26

0.61

1.53

3.39

5.73

23.1

69.0

204

0.4

0.18

0.42

1.00

2.55

5.64

9.50

38.3

115

344

0.5

0.25

0.60

1.46

3.74

8.35

14.1

57.0

173


0.6

0.34

0.81

1.98

5.12

11.5

19.5

79.4

244


0.7

0.43

1.04

2.56

6.68

15.1

25.6

106

330


0.8

0.54

1.30

3.19

8.42

19.1

32.6

136

434


0.9

0.66

1.58

3.91

10.3

23.6

40.5

172



1.0

0.80

1.90

4.74

12.5

28.7

49.5

214



1.1

0.95

2.27

5.64

14.9

34.4

59.5

262



1.2

1.15

2.71

6.67

17.7

40.8

70.9

319



1.3

1.39

3.25

8.03

21.0

48.3

84.4

387



1.4

1.67

3.96

9.62

25.1

57.9

101




1.5

2.00

4.65

11.5

29.9

68.7

119




1.6

2.32

5.30

13.0

34.4

79.0

138




1.7

2.58

5.88








1.8

2.88

6.53








1.9

3.31

7.36









Typical peak magnetic polarisation (magnetisation curve)

Hpeak

(A/m)


Typical peak magnetic polarisation, Jpeak (T)

50 Hz

100 Hz

200 Hz

400 Hz

700 Hz

1000 Hz

2500 Hz

5000 Hz

10000 Hz

20

0.076

0.074

0.066

0.072

0.068

0.066

0.049

0.034

0.022

30

0.19

0.18

0.16

0.14

0.12

0.10

0.058

0.04

0.029

50

0.59

0.57

0.48

0.36

0.26

0.21

0.12

0.079

0.049

70

0.84

0.83

0.77

0.67

0.49

0.39

0.21

0.13

0.077

100

1.04

1.04

1.00

0.96

0.83

0.69

0.37

0.22

0.13

150

1.19

1.19

1.18

1.17

1.14

1.07

0.64

0.39

0.24

200

1.26

1.26

1.25

1.25

1.24

1.22

0.86

0.55

0.35

400

1.37

1.37

1.37

1.37

1.36

1.36

1.25

0.97

0.65

800

1.43

1.43

1.43

1.43

1.43

1.43

1.38



1500

1.49

1.49

1.49

1.49

1.49

1.49




2500

1.55

1.55

1.55

1.55

1.55

1.55




5000

1.64

1.64

1.64

1.64

1.64

1.64




7500

1.71

1.71








10000

1.77

1.77








20000

1.89

1.89









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