NO18-1280N

The Cogent Hi-Lite grade NO18-1280N 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

-

0.92 W/kg

Specific total loss at 1.5 T and 50 Hz

-

2.34 W/kg

Specific total loss at 1.0 T and 400 Hz

Max 12.8 W/kg

11.7 W/kg

Specific total loss at 1.5 T and 400 Hz

Max 30.9 W/kg

28.5 W/kg

Specific total loss at 1.0 T and 700 Hz

Max 27.5 W/kg

25.4 W/kg

Specific total loss at 1.0 T and 2500 Hz

-

171 W/kg

Peak magnetic polarisation at 2500 A/m and 50 Hz

Min 1.55 T

1.59 T

Peak magnetic polarisation at 5000 A/m and 50 Hz

Min 1.65 T

1.68 T

Peak magnetic polarisation at 10000 A/m and 50 Hz

Min 1.77 T

1.81 T

Relative peak permeability at 1.5 T and 50 Hz

-

1020

Relative peak permeability at 1.0 T and 400 Hz

-

7500


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 0.18 mm

Density (assumed) 7.65 kg/dm3


Min / Max
values

Typical
values

Electrical resistivity at 23 °C

-

51 µΩ·cm

Thermal conductivity at 23 °C

-

23 W/(m·K)

Thermal expansion 0-100 °C

-

12·10-6 /°C




Yield strength Rp0.2

Min 330 MPa

370 MPa

Tensile strength Rm

Min 430 MPa

470 MPa

Elongation at fracture A80

Min 14 %

19 %

Young’s modulus

-

190 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

0.02

0.04

0.08

0.19

0.43

0.68

2.47

7.69

23.9

0.2

0.07

0.15

0.32

0.74

1.55

2.54

9.51

28.5

84.8

0.3

0.14

0.30

0.65

1.54

3.16

5.24

20.1

59.3

174

0.4

0.22

0.47

1.06

2.52

5.24

8.71

33.5

98.2

290

0.5

0.31

0.67

1.53

3.67

7.67

12.7

49.5

145

434

0.6

0.41

0.88

2.05

4.96

10.4

17.4

68.0

201


0.7

0.52

1.11

2.62

6.39

13.5

22.6

89.1

265


0.8

0.63

1.38

3.26

7.98

16.9

28.4

113

340


0.9

0.77

1.66

3.96

9.75

21.2

35.2

140

428


1.0

0.92

1.99

4.73

11.7

25.4

42.1

171



1.1

1.09

2.37

5.63

13.8

30.2

50.6

206



1.2

1.30

2.82

6.67

16.4

35.7

59.8

246



1.3

1.57

3.45

7.97

19.5

42.2

70.6

293



1.4

1.91

4.21

9.73

23.5

50.4

84.0

349



1.5

2.34

5.03

11.7

28.5

60.6

101

416



1.6

2.79

5.97

13.4

33.6

71.5

119

492



1.7

3.23

6.79








1.8

3.67

7.69








1.9

4.17

8.75








 

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

0.032

0.030

0.029

0.028

0.027

0.027

0.027

0.020

0.019

30

0.07

0.07

0.06

0.06

0.05

0.05

0.05

0.03

0.03

50

0.38

0.37

0.33

0.27

0.22

0.19

0.14

0.07

0.06

70

0.77

0.75

0.70

0.63

0.47

0.41

0.24

0.16

0.09

100

1.04

1.03

0.98

0.96

0.90

0.77

0.43

0.25

0.16

150

1.21

1.20

1.19

1.18

1.15

1.13

0.81

0.47

0.29

200

1.28

1.28

1.28

1.26

1.25

1.25

1.11

0.71

0.43

400

1.40

1.40

1.40

1.39

1.39

1.39

1.37

1.18

1.03

800

1.47

1.47

1.47

1.46

1.46

1.46

1.45

1.37


1500

1.53

1.53

1.53

1.53

1.53

1.53

1.52



2500

1.59

1.59

1.59

1.59

1.59

1.59

1.59



5000

1.68

1.68

1.68

1.68

1.68





7500

1.75

1.75








10000

1.81

1.81








20000

1.91

1.91









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