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CRGO silicon steel sheet, also known as cold rolled grain oriented silicon steel sheet, is a crucial material used in the production of energy-efficient transformers and high-performance generators. The term “grain-oriented” refers to the special processing of the steel during manufacturing, which orients the crystalline structure in the direction of the cold rolling, resulting in a preferred direction of magnetization.
| Product | Cold Rolled Grain Oriented Silicon Steel Sheet (CRGO Silicon Steel Sheet) |
| Standard | AISI, ASTM, GB, JIS, DIN |
| Silicon Content | around 3% |
| Thickness | 0.18mm, 0.23mm, 0.28mm, 0.30mm, 0.35mm |
| Width | 600mm-1250mm |
| Length | 800mm-15mm |
Cold rolled grain-oriented silicon steel sheets possess several key properties that make them ideal for use in electrical devices. Some of the important properties include:
1. High Magnetic Permeability
Grain-oriented silicon steel exhibits high magnetic permeability in the cold rolling direction, which allows for efficient transfer of magnetic flux through the material. This property is essential for the effective operation of electrical devices.
2. Low Core Losses
The preferred orientation of the crystal grains in grain-oriented silicon steel results in lower core losses when subjected to alternating magnetic fields. This is crucial for maintaining high efficiency in electrical devices and reducing energy waste in the form of heat.
3. Directional Magnetic Properties
The grain-oriented structure provides superior magnetic properties in the rolling direction, making it particularly suitable for applications where the magnetic field is predominantly unidirectional, such as in power transformers.
4. High Saturation Flux Density
CRGO silicon steel sheet also exhibits a high saturation flux density, which means it can accommodate a high magnetic flux density before reaching magnetic saturation. This property is important for ensuring the effective operation of electrical devices under varying loads.
5. Uniform Thickness and Surface Finish
These sheets are manufactured with precise thickness control and a smooth surface finish to ensure consistent performance and facilitate the assembly of transformer cores.
6. Electrical Resistance
Cold rolled oriented silicon steel has low electrical resistance, which is important for minimizing energy losses and ensuring efficient energy transfer within electrical devices.
CRGO silicon steel sheets find widespread use in various electrical and power engineering applications due to their specialized magnetic properties. Some of the key applications include:
1. It can be used as the core of electrical transformers, including distribution transformers and power transformers.
2. It can be used as the cores of electric motors and generators, where their magnetic properties contribute to improved performance and energy efficiency.
3. It can be used in the construction of inductors and chokes, where precise control of magnetic fields is required for filtering and energy storage applications.
4. It can be employed in reactors and magnetic amplifiers, where it helps in controlling and regulating electrical currents and voltages.
5. It can be used in renewable energy systems such as wind turbines and solar power systems.
6. It can be used in high-frequency applications such as radio frequency (RF) transformers and inductive components.
Overall, the unique magnetic properties of cold rolled grain-oriented silicon steel sheets make it an indispensable material in various electrical and power engineering applications, contributing to improved energy efficiency, reduced losses, and increased performance.
