What materials are used for transformer silicon steel sheets
It's an alloy of silicon and iron (special steel)
(1) Cold rolled non oriented silicon steel strip (sheet)
Indicating method: DW 100 times the iron loss value (unit component iron loss value with a sinusoidal magnetic induction peak of 1.5T at a frequency of 50HZ) 100 times the thickness value. As indicated by DW470-50, the iron loss value is 4.7w/kg for cold-rolled non oriented silicon steel with a thickness of 0.5mm. The new type now indicates 50W470.
(2) Cold rolled oriented silicon steel strip (sheet)
Indicating method: DQ 100 times the iron loss value (unit component iron loss value with a sinusoidal magnetic induction peak of 1.7T at a frequency of 50HZ) 100 times the thickness value. Sometimes adding G after the iron loss value indicates high magnetic induction. As indicated by DQ133-30, the iron loss value is 1.33 for cold-rolled oriented silicon steel strip (sheet) with a thickness of 0.3mm. The new type now indicates 30Q133.
(3) Hot rolled silicon steel plate is divided into low silicon steel (silicon content ≤ 2.8%) and high silicon steel (silicon content>2.8%) according to the amount of silicon content indicated by DR. Indicating method: 100 times the DR iron loss value (the unit component iron loss value obtained by repeatedly magnetizing at 50HZ and changing the magnetic induction intensity sinusoidally to a greater value of 1.5T) 100 times the thickness value. DR510-50 indicates a hot-rolled silicon steel plate with an iron loss value of 5.1 and a thickness of 0.5mm. The grade of hot-rolled silicon steel sheet for household appliances is indicated by JDR iron loss value thickness value, such as JDR540-50.
Article source: Transformer silicon steel sheethttp://www.cheungshun.com/
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