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New Energy Vehicle Drive Motor Technology

New Energy Vehicle Drive Motor Project

Ultra-thin non-oriented silicon steel has been widely used in high-speed drive motors for mass-produced new energy vehicles, serving mainstream new energy vehicle brands worldwide.

0.1mm

Ultra-thin Silicon Steel

39%

Energy Loss Reduction

30,000 rpm

High-frequency Operation

Core Advantages of Oriented Silicon Steel Core

Grain-oriented electrical steel strip and sheet

Scope and Application GB/T 2521.2‑2016 covers cold‑rolled grain‑oriented (CRGO) electrical steel used primarily in power and distribution transformers where magnetic properties are highly directional.

Grade Designation System Format: [Thickness] [Type] [Core Loss].
• Thickness: 23=0.23 mm (ordinary permeability), ZH/Z (high permeability/Hi‑B).
• Core Loss: Maximum P1.7/50 in W/kg.
• Examples: 23ZH90, 27Q120, 30Q130, 35Q140.

Thickness Range Standard thicknesses range from 0.23 mm to 0.35 mm.

Core Loss and Magnetic Induction Requirements
Trieda	Max P1.7/50 (W/kg)	Min B8 (T)	Min B1.5 (T)
23ZH90	0.90	1.90	1.94
27Q120	1.20	1.88	1.92
30Q130	1.30	1.87	1.91
35Q140	1.40	1.86	1.90

JIS C 2553 (Japanese Standard) — Cold-rolled Grain‑Oriented Electrical Steel Strip

Scope and Application JIS C 2553 covers grain‑oriented electrical steel for power transformers and large reactors.

Grain-Oriented (CRGO) Cross-Reference Table
EN Grade	JIS Grade	AISI / ASTM Grade Designation	Core Loss P1.7/50 (W/kg)	Mag. Ind. B8 (T)
23ZH90	23BHZ90 M3	23ZH90	0.90	1.90

Material Advantages

0.1mm Ultra-thin Non-oriented Silicon Steel

Customized electromagnetic steel optimized for high-speed EV drive motors, combining low loss, high strength, and outstanding processability.

Ultra-low Iron Loss & High Strength

The 0.1mm ultra-thin silicon steel is engineered for ultra-low iron loss and high mechanical strength, directly reducing unnecessary energy dissipation inside the motor core and improving overall energy conversion efficiency.

Up to 39% energy loss reduction 3%-5% motor efficiency improvement

30,000-rpm High-frequency Operation

Designed to meet the thermal, magnetic, and mechanical demands of high-speed rotating machines, this customized silicon steel enables stable and efficient operation under high-frequency conditions.

High-speed rotation scenario Motor lamination compatibility

Precision Dimensional Accuracy & Surface Finish

Excellent dimensional accuracy and surface finish ensure precise stamping and lamination, helping motor manufacturers achieve tighter stacking performance and more compact lightweight designs.

Tight dimensional tolerance Lightweight motor design

Changchun New Energy Vehicle Core Motor Industrialization Project

This customized material supports large-scale batch production of high-performance vehicle drive motors.

Core Material Innovation

Powering the Next Generation of EV Drive Systems

Ultra-thin non-oriented silicon steel has become a key enabler for high-speed drive motors in mass-produced new energy vehicles. By reducing iron loss and improving magnetic performance, it helps EV platforms achieve higher efficiency, longer battery life, and stronger acceleration.

Our customized silicon steel solution is officially adopted in the Changchun New Energy Vehicle Core Motor Industrialization Project, forming a solid material foundation for large-scale manufacturing of high-performance vehicle drive motors.

Ultra-low iron loss & high strength
High dimensional accuracy
Excellent surface finish
Lightweight motor design

Performance Data

Measurable Improvements for EV Drive Systems

From energy loss reduction to higher motor efficiency, every performance indicator supports stronger EV range and acceleration.

39%

Reduction of Motor Energy Loss

Ultra-low iron loss silicon steel helps minimize core heating and unnecessary energy consumption during high-speed operation.

3%-5%

Motor Efficiency Improvement

Higher efficiency contributes to better energy utilization, longer driving range, and more responsive vehicle performance.

0.1mm

Ultra-thin Silicon Steel Thickness

Ultra-thin Non-oriented Silicon Steel

The ultra-thin gauge supports precise lamination, compact stator design, and optimized high-frequency magnetic performance.

30,000

Max Operating rpm

Designed for high-frequency operation scenarios, enabling high-speed drive motor performance for next-generation EV platforms.

Industrial Application

From Material Innovation to Large-scale Production

This customized ultra-thin silicon steel is officially adopted in the Changchun New Energy Vehicle Core Motor Industrialization Project, supporting the mass production of high-performance EV drive motors.

By improving motor efficiency and reducing energy loss, the material effectively supports vehicle battery life and acceleration performance. It also enables manufacturers to pursue more compact, lightweight motor designs suitable for advanced EV platforms.

Industrialization Project Batch Production EV Drive Motor

Dotaz

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Spoločnosť Jiangsu Zhongtongweiye Special Steel Co., Ltd. je profesionálny a renomovaný výrobca a vývozca ocele so sídlom v meste Wuxi v Číne. Špecializuje sa na ponuku kremíkovanej ocele, ocele zo zliatin niklu, ocele na výrobu foriem a ďalších súvisiacich oceľových výrobkov……

O nás

PRODUKTY

RÝCHLY ODKAZ

KONTAKTUJTE NÁS

Analýza projektu Vera Liang +86-13373616068 vera.liang@ztwysteel.com Budova Guokun, okres Xishan, Wuxi, Jiangsu

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