Q345B electrical silicon steel
Number of letters and numbers. DR said the letter head of steel with hot-rolled silicon electrical, DW said the use of cold-rolled non oriented silicon steel DQ is represented by the electrician, electrician cold-rolled silicon steel.
Steel tail plus the letter "G", said the tests at high frequencies; without "G", said the test at a frequency of 50 cycles under.For example, DW470 said steel electrical silicon steel products in the 50 Hz frequency, the maximum unit weight of cold-rolled non oriented 4.7W/kg iron loss.
The number after the letter represents 100 times the value of the iron core (W/kg).
