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Random Grain Structure: In CRNGO steel, the grains are not intentionally oriented during the cold-rolling process. This results in a more isotropic material with magnetic properties that are relatively consistent in all directions.
Higher Core Losses: Compared to CRGO steel, CRNGO steel generally has higher core losses. Core losses include hysteresis and eddy current losses, which contribute to energy dissipation in the form of heat during the operation of electromagnetic devices.
Applications: CRNGO steel is often used in applications where the direction of the magnetic field varies, such as in electric motors, generators, and certain types of transformers. It is suitable for applications where the primary concern may be cost or where the specific magnetic characteristics of the material are more important than achieving the lowest possible core losses.
| Category | Silicon content, % | Nominal thickness, mm | ||
| Hot rolled silicon steel plate (no orientation) |
Hot-rolled low-silicon steel (hot-rolled electrical steel) | 1.0~2.5 | 0.50 | |
| Hot-rolled high-silicon steel (hot-rolled transformer steel) | 3.0~4.5 | 0.35 and 0.50 | ||
| Cold rolled electrical steel sheet | Non-oriented electrical steel (cold-rolled electrical steel) |
Low carbon electrical steel | ≤0.5 | 0.50 and 0.65 |
| Silicon steel | >0.5~3.2 | 0.35 and 0.50 | ||
| Oriented silicon steel (cold-rolled transformer steel) |
Ordinary grain oriented silicon steel | 2.9~3.3 | 0.20,0.23,0.27 0.30 and 0.35 |
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| High magnetic induction oriented silicon steel | 2.9~3.3 |
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