Cold rolled grain oriented silicon steel, also known as electrical steel, is a specialized type of steel that is used in the manufacturing of magnetic cores for transformer and other electrical components. This steel has a low carbon content and is processed in such away that it acquires magnetic properties, which makes it ideal for use in electrical equipment.
Properties of Cold Rolled Grain Oriented Silicon Steel
The magnetic properties of cold rolled grain oriented silicon steel are achieved through a complex manufacturing process that involves rolling the steel to a specific thickness and annealing it at high temperatures. The resulting material has a highly ordered crystalline structure that allows it to conduct magnetic flux with minimal energy loss. Some of the key properties of this type of steel include
1.High magnetic permeability
2. Low core loss
3. Low coercivity
4. Low remanence
Applications of Cold Rolled Grain Oriented Silicon Steel
Cold rolled grain oriented silicon steel is widely used in the manufacturing of electrical equipment such as transformers, generators, and electric motors. lts high magnetic permeability and low core loss make it ideal for use in these applications, as it allows for efficient energy transfer with minimal electrical waste. The low coercivity and remanence of this type of steel also allow for precise control over the magnetic field,which is essential in applications where voltage regulation or current control is required.
Advantages of Cold Rolled Grain Oriented Silicon Steel
There are several advantages to using cold rolled grain oriented silicon steel in electrical equipment:
High efficiency: The low core loss and high magnetic permeability of this type of steel allow for efficient energy transfer, reducing waste and increasing overall efficiency.Precision: The low coercivity and remanence of the steel allow for precise control over the magnetic field, enabling voltage regulation and current control.Durability: Cold rolled grain oriented silicon steel is highly resistant to corrosion.making it an ideal choice for use in harsh environments.
Cold rolled grain oriented silicon steel is a highly specialized type of steel that is widely used in the manufacturing of electrical equipment. lts unique magnetic properties make it ideal for applications where efficiency, precision, and durability are essential, although its higher cost and brittleness may limit its use in some situations.
The following are the Chinese, British, American and Japanese national standards for cold-rolled grain-oriented silicon steel:
Chinese standard:
GB/T2521-2008 "Full Process Cold-rolled Electrical Steel Part 1: Grain Non-Oriented Steel Strip (Sheet)", GB/T 2521.2-2016 "Full Process Cold-Rolled Electrical Steel Part 2: Grain Oriented Steel Strip ( piece)"
British Standard:
BS EN 10107:2005 "Grain-oriented electrical steel sheets and strips. Technical delivery conditions"
American standard:
ASTM A677 / A677M - 15 "Oriented Electrical Steel Sheet"
Japanese standard:
JIS C 2553:2016 "Oriented シリコン steel plate and steel band"
The standard stipulates terms and definitions, classification, symbols and grades, general requirements, technical requirements, inspection and testing, judgment and re-inspection rules, packaging, signs and quality certificates, and ordering content.
Cold-rolled grain-oriented silicon steel, also known as cold-rolled transformer steel, is an important ferrosilicon alloy used in the transformer (iron core) manufacturing industry.
Dimensional specification of cold-rolled grain-oriented silicon steel:
Thickness: 0.23mm-0.35mm
Width: 20mm-1250mm
