powercore® H 085-27 L: High-Performance Grain-Oriented Electrical Steel
Properties
General
| Property | Temperature | Value | |
|---|---|---|---|
Density | 23.0 °C | 7.65 g/cm³ | |
Grain structure | Grain oriented electrical steel | ||
Dimension
| Property | Value |
|---|---|
Thickness | 0.27 mm |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elongation A80 | 23.0 °C | 6 - 14 % | |
Elongation A80, transverse | 23.0 °C | 24 - 48 % | |
Hardness, Rockwell B | 23.0 °C | 75 - 85 [-] | 15T |
Hardness, Vickers, 0.1 | 23.0 °C | 175 - 195 [-] | |
Tensile strength | 23.0 °C | 330 - 370 MPa | |
Tensile strength, transverse | 23.0 °C | 390 - 420 MPa | |
Yield strength Rp0.2 | 23.0 °C | 300 - 340 MPa | |
Yield strength Rp0.2, transverse | 23.0 °C | 330 - 360 MPa |
Thermal
| Property | Value | Comment |
|---|---|---|
Max service temperature | 840 °C | according to DIN IEC 60404-12, under inert gas for 2 h |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 4.8E-7 Ω·m | |
Surface insulation resistance | 23.0 °C | 10 Ω·cm² | according to DIN IEC 60404-11 |
Magnetic
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coercive force | 23.0 °C | 5 A/m | |
Curie temperature | 745 °C | ||
Guaranteed core loss | 23.0 °C | 0.85 [-] | at 1.7 T and 50 Hz |
Guaranteed polarization | 23.0 °C | 1.88 [-] | at 800 A/m |
Saturation polarization | 23.0 °C | 2.03 T | |
Typical core loss | 23.0 °C | 0.83 [-] | at 1.7 T and 50 Hz |
Typical polarization | 23.0 °C | 1.91 [-] | at 800 A/m |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Large power transformers, distribution transformers, small transformers, current transformers, shunt reactors, wound cores, power generators | |
| Coating | Both sides coated, coating thickness: 2 µm - 5 µm | |
| Other | Advantages of powercore®: Energy efficiency thanks to minimal losses at full load and reduced no-load losses, reduced noise emission thanks to minimized magnetostriction and improved insulation properties, cost benefits thanks to lower core weights and more compact dimensions. | |
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