The ARC Electrical Steel Series integrates multiple high-performance electrical steel products developed and produced by leading Chinese enterprises, forming a premium soft magnetic materials platform tailored for cutting-edge sectors including new energy vehicles, humanoid robots, and next-generation power systems. This portfolio encompasses the world’s lowest core loss non-oriented silicon steel (ESW8517), ultra-high flux non-oriented silicon steel (20RSW175), and green low-carbon oriented silicon steel (E+ Series), with multiple performance indicators achieving global leadership.
Typical Specifications
|
Grade |
Type |
Core Loss (W/kg) @ 400Hz |
Magnetic Induction (T) |
Yield Strength (MPa) |
Thickness (mm) |
Applications |
|
ESW8517 |
Non-oriented |
7.9 (world’s lowest) |
≥1.70 |
490 |
0.1 |
Traction motors for NEVs, high-speed motors |
|
20RSW175 |
Non-oriented |
≤5.8 |
1.75 (ultra-high flux) |
≥350 |
0.2–0.3 |
Frameless torque motors for humanoid robots |
|
E+ Series |
Oriented |
0.85–1.05 |
≥1.90 |
— |
0.23–0.30 |
Power & distribution transformers, UHV transformers |
|
65TWYS750 |
Non-oriented |
≤5.5 |
≥1.65 |
750 |
0.3–0.5 |
Variable-speed pumped storage units, high-power motors |
✅ All products comply with: IEC 60404, ASTM A773, JIS C2550, GB/T 2521-2016, and other international standards.
Compliance with International Standards
Applications
|
Product Grade |
Typical Applications |
|
ESW8517 |
Traction motors for BYD, NIO; rail transit traction motors |
|
20RSW175 |
Joint motors for humanoid robots, servo motors for collaborative robots |
|
E+ Series |
UHV transformers, smart grid distribution equipment, PCS for energy storage |
|
65TWYS750 |
Variable-speed pumped storage units, offshore wind pitch motors, large industrial compressors |
Product Portfolio – Application Mapping
|
Grade |
Product Name |
Key Advantages |
Key Customers / Projects |
|
ESW8517 |
ARC-High Efficiency Motor Steel |
World’s lowest core loss at 7.9 W/kg; improves CLTC efficiency by 0.72% |
BYD, Tesla China supply chain |
|
20RSW175 |
ARC-Ultra-High Flux Steel |
Bmax = 1.75 T; +1.6% torque density, –27% core loss |
UBTECH, Unitree Robotics, Xiaomi Robotics |
|
E+ Series |
ARC-Green Transformer Steel |
76% lower CO₂ per ton via full-scrap EAF route |
TBEA Tianjin Zhufeng, State Grid |
|
65TWYS750 |
ARC-Ultra-Strength Motor Steel |
Yield strength 750 MPa; optimized for variable-speed pumped storage |
Harbin Electric, Dongfang Electric |
Capacity & Lead Time
|
Item |
Details |
|
Annual Capacity |
>800,000 metric tons (all ARC series included) |
|
Minimum Order Quantity |
50 metric tons |
|
Standard Delivery Lead Time |
6–10 weeks (from order confirmation to shipment) |
|
Expedited Orders |
Priority scheduling available (+20% surcharge) |
Customization Services
Packaging & Delivery
|
Transport Mode |
Packaging |
Notes |
|
Sea Freight |
Moisture-proof paper + wooden crate + shock-absorbing pads |
Max single-piece weight ≤8 MT; container-compatible |
|
Air Freight |
Composite cushioned box |
For samples or urgent small batches only |
|
Land Transport |
Flatbed truck with secure lashing |
Direct delivery for domestic key accounts |
All export shipments include: Certificate of Analysis (COA), Mill Test Report (MTR), Technical Data Sheet (TDS), Safety Data Sheet (SDS), Environmental Product Declaration (EPD), Certificate of Origin
Reference Cases
Summary
The ARC Electrical Steel Series represents the forefront of advanced soft magnetic materials innovation in China. From the world’s lowest core loss (ESW8517) and ultra-high flux (20RSW175), to green low-carbon oriented steel (E+ Series) and ultra-high-strength non-oriented steel (65TWYS750), this product family comprehensively addresses the strategic domains of new energy vehicles, artificial intelligence, and next-generation power infrastructure—powering “high-energy cores” for global manufacturing. ARC remains committed to material innovation, enabling efficient motors and intelligent equipment worldwide.
Financing & Compliance Services
Contact U3ARC Team
For technical or commercial inquiries, please fill out the contact form on our website.
Technical & Commercial Disclaimer
Technical data are typical values; actual performance depends on application and processing. Made in China. Export subject to PRC regulations. No warranty beyond purchase agreement. For compliance support, contact U3ARC.
