What Is Electrical Steel?
Electrical steel is a specialized type of steel used in the manufacture of electrical equipment. It is made to have low magnetic permeability, which helps to keep magnetic fields from penetrating the metal. This is important in electrical equipment because it keeps the equipment from overheating.
Electrical steel is mainly used in transformer cores and toroidal cores. The main use of transformer cores is to efficiently conduct magnetic flux between the primary and secondary windings of the transformer.
There are three main types of electrical steel: grain-oriented electrical steel, non-oriented semi-processed electrical steel, and non-oriented fully processed electrical steel. Each type has different properties that make it better suited for different applications. Grain-oriented electrical steel has a higher magnetic permeability and is better for high-power applications. Non-oriented semi-processed electrical steel has lower magnetic permeability and is better for low-power applications. Non-oriented fully processed electrical steel has the lowest magnetic permeability and is used for transformer cores.
Types of Electrical Steel
There are three types of electrical steel- grain-oriented electrical steel, non-oriented semi-processed electrical steel, and non-oriented fully processed electrical steel.
Grain-Oriented Electrical Steel
Grain-oriented electrical steel is the most common type of electrical steel. It is made of low-carbon steel with the higher silicon content. The silicon content gives the steel its crystalline structure, which is what makes it so effective for electrical applications.
The magnetic properties of grain-oriented electrical steel are what make it so special. The steel can maintain a high level of magnetization, even when it's in an alternating current (AC) magnetic field. This means that steel can be used in a wide range of electrical applications, from motors and transformers to equipment that generates and distributes energy.
Non-Oriented Semi-Processed Electrical Steel
Non-oriented semi-processed electrical steel is the most basic type of electrical steel. It's made by rolling semi-finished slabs into thin sheets. The sheets are then annealed and cold-rolled to the desired thickness and width.
Non-oriented semi-processed electrical steel is used in a wide range of applications, including transformers, motors, generators, and other electrical equipment. It's also often used in applications that require a high degree of formability and excellent surface finish.
Non-Oriented Fully Processed Electrical Steel
This type of electrical steel is also referred to as "fully processed steel." The main difference between this type and the other two is that the silicon level is lower, which makes it ideal for applications that require high speed and/or low power losses.
This type of steel is used in motors, generators, transformer cores, and more. It's also often used in electrical appliances like washers, dryers, and dishwashers.
Like the other two types of electrical steel, non-oriented fully processed electrical steel is available in a variety of grades and thicknesses.
Cold Rolled Grain Oriented (CRGO) Silicon Steel
