Electrical silicon steel sheets are commonly known as silicon steel sheets or silicon steel sheets. It is a soft magnetic alloy of silicon iron with extremely low carbon content, generally with a silicon content of 0.5-4.5%, made by heating and cold rolling. Generally, the thickness is below 1mm, so it is called thin plate. Adding silicon can increase the electrical resistivity and magnetic permeability of iron, reduce coercivity, iron core loss (iron loss), and magnetic aging. Mainly used to make iron cores for various transformers, motors, and generators. The global output value of silicon steel sheets accounts for about 1% of the total steel production (see precision alloys). Generally speaking, silicon steel sheet belongs to the category of sheet metal, which is an independent branch due to its special purpose.

Classification:

Silicon steel sheets can be divided into two types based on their silicon content: low silicon and high silicon. Low silicon wafers with a silicon content of less than 2.8% have mechanical strength and are mainly used to make motors, commonly known as motor silicon steel sheets; High silicon wafers have a silicon content of 2.8% -4.8%, and they have good magnetic properties but are relatively brittle. They are mainly used to make transformer iron cores, commonly known as transformer silicon steel sheets. There is no strict boundary between the two in practical use, and high silicon wafers are commonly used to make large motors.

According to the production and processing technology, it can be divided into two types: hot rolling and cold rolling. Cold rolling can also be divided into two types: grain non orientation and grain orientation. Cold rolled sheets have uniform thickness, good surface quality, and high magnetism. Therefore, with the development of industry, hot-rolled sheets have a trend of being replaced by cold-rolled sheets.

Article source: Transformer silicon steel sheethttp://www.cheungshun.com/