The Cogent Hi-Lite grade NO20-1350N 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 | - | 0.85 W/kg |
Specific total loss at 1.5 T and 50 Hz | - | 2.24 W/kg |
Specific total loss at 1.0 T and 400 Hz | Max 13.5 W/kg | 12.1 W/kg |
Specific total loss at 1.5 T and 400 Hz | Max 32.5 W/kg | 30.1 W/kg |
Specific total loss at 1.0 T and 700 Hz | Max 29.1 W/kg | 27.0 W/kg |
Specific total loss at 1.0 T and 2500 Hz | - | 188 W/kg |
Peak magnetic polarisation at 2500 A/m and 50 Hz | Min 1.55 T | 1.58 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 | - | 900 |
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 0.20 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 |
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Yield strength Rp0.2 | Min 320 MPa | 360 MPa |
Tensile strength Rm | Min 410 MPa | 450 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 | 0.09 | 0.21 | 0.45 | 0.77 | 3.01 | 8.83 | 25.0 |
0.2 | 0.06 | 0.14 | 0.31 | 0.76 | 1.65 | 2.78 | 10.7 | 31.1 | 90.0 |
0.3 | 0.12 | 0.28 | 0.63 | 1.56 | 3.38 | 5.63 | 22.0 | 63.1 | 186 |
0.4 | 0.19 | 0.44 | 1.02 | 2.56 | 5.54 | 9.26 | 36.1 | 105 | 311 |
0.5 | 0.28 | 0.62 | 1.47 | 3.72 | 8.14 | 13.6 | 53.1 | 156 | 467 |
0.6 | 0.37 | 0.82 | 1.99 | 5.06 | 11.1 | 18.6 | 73.2 | 216 |
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0.7 | 0.47 | 1.06 | 2.56 | 6.56 | 14.4 | 24.2 | 96.2 | 288 |
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0.8 | 0.58 | 1.31 | 3.20 | 8.23 | 18.2 | 30.6 | 123 | 373 |
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0.9 | 0.71 | 1.60 | 3.90 | 10.1 | 22.3 | 37.7 | 153 | 473 |
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1.0 | 0.85 | 1.93 | 4.70 | 12.1 | 27.0 | 45.7 | 188 |
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1.1 | 1.02 | 2.31 | 5.61 | 14.4 | 32.2 | 54.7 | 228 |
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1.2 | 1.23 | 2.77 | 6.69 | 17.2 | 38.2 | 65.3 | 276 |
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1.3 | 1.49 | 3.35 | 8.07 | 20.5 | 45.5 | 77.3 | 332 |
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1.4 | 1.84 | 4.14 | 9.87 | 25.0 | 55.0 | 93.2 |
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1.5 | 2.24 | 4.98 | 11.9 | 30.1 | 66.0 | 112 |
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1.6 | 2.61 | 5.82 | 13.7 | 34.6 | 76.3 | 129 |
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1.7 | 2.99 | 6.54 |
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1.8 | 3.37 | 7.41 |
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1.9 | 3.86 | 8.53 |
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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 | 0.041 | 0.040 | 0.038 | 0.036 | 0.034 | 0.032 | 0.031 | 0.024 | 0.024 |
30 | 0.12 | 0.12 | 0.11 | 0.10 | 0.09 | 0.08 | 0.07 | 0.04 | 0.03 |
50 | 0.56 | 0.53 | 0.47 | 0.36 | 0.26 | 0.21 | 0.14 | 0.09 | 0.06 |
70 | 0.86 | 0.82 | 0.78 | 0.65 | 0.50 | 0.42 | 0.22 | 0.14 | 0.10 |
100 | 1.06 | 1.04 | 1.00 | 0.96 | 0.88 | 0.77 | 0.40 | 0.24 | 0.16 |
150 | 1.21 | 1.20 | 1.18 | 1.17 | 1.13 | 1.11 | 0.75 | 0.46 | 0.27 |
200 | 1.28 | 1.28 | 1.27 | 1.25 | 1.24 | 1.24 | 1.02 | 0.67 | 0.40 |
400 | 1.38 | 1.38 | 1.38 | 1.37 | 1.37 | 1.37 | 1.33 | 1.10 | 0.92 |
800 | 1.45 | 1.45 | 1.45 | 1.45 | 1.45 | 1.45 | 1.42 | 1.32 |
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1500 | 1.52 | 1.52 | 1.52 | 1.52 | 1.52 | 1.52 | 1.50 |
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2500 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.57 |
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5000 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 |
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7500 | 1.75 | 1.75 |
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10000 | 1.81 | 1.81 |
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20000 | 1.92 | 1.92 |
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