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ASTM standard CRGO (Cold Rolled Grain-Oriented) silicon steel coil refers to a specific type of electrical steel that is manufactured and processed according to the standards set by ASTM International, formerly known as the American Society for Testing and Materials.
CRGO silicon steel is designed for use in the cores of transformers, particularly in applications where energy efficiency is crucial. The “grain-oriented” aspect of this material means that its crystalline structure is deliberately aligned to optimize its magnetic properties, resulting in reduced energy loss and improved performance in electrical devices.
The ASTM standard ensures that the CRGO silicon steel coil meets specific criteria for chemical composition, mechanical properties, and dimensional tolerances, allowing for consistency and reliability in its application across various industries.
These coils are often used in power generation, distribution transformers, and other electrical equipment where energy efficiency and minimal power loss are essential.
| Product Name | ASTM standard CRGO Silicon Steel Coil |
| Standard | ASTM |
| Width | 600 – 1250 mm |
| Thickness | 0.18 – 0.65 mm |
| Processing Service | bending, uncoiling, welding, punching, and cutting |
| Supply Ability | 50000 Ton/per month |
*Note: When used at industrial frequency (50Hz), the thickness of the commonly used silicon steel coil is 0.2~0.35mm; when used at 400Hz, it is appropriate to choose 0.1mm thickness. The thinner the thickness, the higher the price.
High Magnetic Permeability: This material offers high magnetic permeability, meaning it can easily facilitate the flow of magnetic flux, making it ideal for transformer cores.
Low Core Loss: The grain-oriented structure reduces energy loss, improving the overall efficiency of transformers and electrical devices.
Consistent Quality: Adhering to ASTM standards ensures consistent quality, making it reliable for use in various industrial applications.
Dimensional Precision: The material is manufactured to meet specific dimensional tolerances, ensuring uniformity and compatibility with manufacturing processes.
Electrical Efficiency: By minimizing energy loss, this material contributes to the overall electrical efficiency of transformers and related equipment.
Conformance to Standards: Meeting ASTM standards means that the material has been tested and verified to comply with industry-recognized specifications, providing assurance of its performance and characteristics.
Transformers: It is a key material for manufacturing transformer cores, especially in high-efficiency distribution and power transformers.
Electric Motors: CRGO silicon steel coils are utilized in electric motors where low energy loss and high magnetic permeability are essential for optimal performance.
Inductors and Chokes: These coils find application in inductors and chokes where controlled magnetic fields are required for various electrical and electronic devices.
Generators: The material is employed in the cores of generators to ensure efficient energy conversion and transmission.
Magnetic Circuits: Due to its superior magnetic properties, CRGO silicon steel is used in magnetic circuits for a wide range of industrial and commercial applications.
Energy Efficient Appliances: Manufacturers use this material in the production of energy-efficient appliances such as refrigerators, air conditioners, and other devices where electromagnetic properties are critical for performance.
