Silicon Steel Sheet: Engineered for High-Efficiency Electromagnetic Applications

Core Advantages

Silicon Steel Sheet is a premium soft magnetic specifically engineered to optimize electromagnetic performance in power conversion systems. The material's unique properties stem from precise silicon content control (typically 2-3%) and advanced rolling processes, delivering exceptional performance across multiple critical parameters:

• Superior Magnetic Responsiveness
  Achieves rapid magnetization/demagnetization in alternating fields (μ_max/m), minimizing hysteresis losses by up to 35% compared to conventional electrical steels.

• Ultra-Low Core Loss
  Reduces energy dissipation as heat through:

• Optimized domain refinement (W15/50 ≤ 2.8 W/kg)

• Silicon-enhanced resistivity (ρ ≈ 47 μΩ·cm) for eddy current suppression

• Loss reduction up to 60% at 400 Hz operation

• Thermo-Mechanical Stability
  Maintains μ_r variation <15% across:

• Temperature range: -40°C to 200°C (with specialty coatings)

• Mechanical stress levels ≤ 150 MPa

Product Classification & Application Optimization

| Type | Key Characteristics | Primary Applications | |---------------------|----------------------------------------------|----------------------------------| | Oriented (GOES) | Goss texture alignment (λ100 > 0.82) | Power transformers (50/60 Hz) | | | B800 ≥ 1.85 T | High-efficiency reactors | | Non-Oriented (NOES) | Isotropic μ (ΔB50 < 0.05 T) | EV motors (400-1500 Hz) | | | Balanced mechanical properties (HV 180-220) | Generators & high-speed actuators|

Advanced Surface Engineering

Our proprietary coating systems enhance operational reliability:

• C5 Phosphate Base Coat
  Provides >1 kΩ·cm² surface resistivity with ≤5 μm thickness
• Hybrid Organic-Top Coat
  Combines:
• 500+ V dielectric strength
• Salt spray resistance >720 hrs (ASTM B117)
• Coefficient of friction <0.15 for automated stacking

Energy & Environmental Performance

Exceeds global efficiency benchmarks:

• **-load losses 30% below IEC 60404-8-7 Class T4 requirements
• Motor Systems
  Enables IE5 efficiency class compliance with:
• 15% weight reduction vs. conventional designs
• 92% material recycling rate (ISO 14021 compliant)

Technical Specifications

| Parameter | Oriented (30QG110) | Non-Oriented (35NW300) | |--------------------|--------------------|------------------------| | Thickness (mm) | 0.23/0.27/0.30 | 0.35/0.50/0.65 | | P1.5/50 (W/kg) | ≤1.10 | ≤2.80 | | B50 (T) | ≥1.85 | ≥1.65 | | Stacking Factor | ≥96% | ≥95% | | Coating Adhesion | Class A (ASTM D3359)| Class A |

Implementation Guidance

For optimal performance:

1. Frequency Matching
   Select NOES grades for >200 Hz applications (motor drives, high-frequency reactors)
2. Stress Mitigation
   Maintain cutting clearance <12% sheet thickness during stamping
3. Annealing Protocols
   Use dry H2/N2 atmosphere (DP < -40°C) at 800-850°C for domain refinement