Electrical steel laminations are thin, insulated sheets stacked to form transformer and motor cores, minimizing eddy current losses.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Density | 7.65 g/cm³ | |
| Thickness | 0.1-0.5 mm | |
| Coating Type | C5, phosphate, oxide | |
| Permeability | 1500-5000 μ | |
| Silicon Content | 1-3.5% | |
| Stacking Factor | 0.95-0.98 | |
| Core Loss (W/kg) | 1.0-2.5 at 1.5T, 50Hz |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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The insulation between laminations prevents large eddy currents from flowing across the stack, reducing energy losses and heat generation in the core.
Grain-oriented steel has aligned crystals for superior magnetic properties in one direction, ideal for transformers; non-oriented steel has random crystals for uniform properties, suited for rotating machines like motors.
They are produced by cold rolling silicon steel into thin sheets, applying an insulating coating, and then stamping or laser-cutting into shapes before stacking and bonding.
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