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Help CenterEnameled Aluminum Flat Wire 0.5mm x 5mm for Transformer Windings
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Shandong Huilong Electrical Material Co., Ltd., established in 1970 as a professional manufacturer, specializes in producing premium enameled aluminum flat wires for global transformer applications. With over 50 years of expertise and a 20,000+ sqm manufacturing facility, our 0.5mm x 5mm flat wire delivers exceptional electrical performance while reducing transformer weight by up to 60% compared to copper alternatives. Backed by ISO certifications and $100M+ annual exports, we ensure consistent quality for critical power applications.
Technical Specifications & Advantages:
- Optimized rectangular profile increases winding space efficiency by 25%
- Class 155 thermal rating withstands transformer operating temperatures
- Triple-layer enamel insulation provides superior dielectric strength (>2500V)
- Precision dimensional tolerance: ±0.02mm for consistent winding performance
- Low eddy current losses due to controlled surface smoothness (Ra≤0.8μm)
| Parameter | Value | Test Standard |
|---|---|---|
| DC Resistance | 0.091 Ω/m | IEC 60317-32 |
| Breakdown Voltage | ≥3200V | ASTM D149 |
| Elongation | 15-25% | ISO 6892-1 |
| Heat Shock | No cracking at 3×d | IEC 60851.3 |
Our proprietary annealing process enhances flexibility while maintaining conductivity, allowing tighter winding configurations. The aluminum core features 99.5% purity with magnesium-silicon alloy reinforcement, delivering 62% IACS conductivity with improved mechanical strength. This combination enables transformers to achieve higher power density and reduced operational temperatures.
Frequently Asked Questions:
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Q: What is the temperature index of this wire?
A: The material has a 155°C thermal class rating with 20,000+ hour lifespan at rated temperature. -
Q: Can I get custom dimensions?
A: Yes, we offer customizable widths (2-16mm) and thicknesses (0.2-2.0mm) with same-turnaround. -
Q: What packaging options exist?
A: Standard delivery includes plastic-spooled coils (50-200kg) with moisture-proof wrapping. -
Q: How does aluminum compare to copper in transformers?
A: Aluminum provides 50% weight reduction and 30% cost savings with comparable efficiency at this gauge. -
Q: What quality controls are implemented?
A: We perform inline diameter checks, spark testing (3000V), and batch-wise adhesion tests. -
Q: What are the shipping terms?
A: We ship FOB from Qingdao/Shanghai/Ningbo ports within 25 days after order confirmation. -
Q: Is this suitable for high-frequency applications?
A: Yes, the rectangular profile reduces skin effect losses at frequencies up to 10kHz.
With certifications including ISO9001 and OHSAS18001, and exports to 60+ countries across North America, Europe and Asia, we guarantee material traceability and performance consistency. Our 51-100 person engineering team provides technical support for winding design optimization. Contact us today for samples – experience how our four-decade manufacturing expertise delivers reliable, cost-effective transformer solutions.
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