Abstract: Starting from the actual demand for new energy vehicles, Shougang Zhixin has successively conquered the ultra-low iron loss and magnetic induction enhancement control technology of high-grade non-oriented silicon steel, as well as the key manufacturing technology of ultra-high strength electrical steel. It has successfully developed 5 series, including low iron loss series, high magnetic induction series, ultra-high magnetic induction series, high-strength low iron loss series, and more than 20 specialized non-oriented silicon steel products, and has achieved the world’s first in the 35SWYS900 and 25SW1250H brand products. Applied research showed that the use of new development non-oriented silicon steel products in the drive motors of EV’s can help improve the efficiency, torque, and power density of the drive motors.

Key words: new energy vehicles, drive motor, iron loss, strength, magnetic induction, non-oriented silicon steel