Aluminum strip for transformer is a key conductive material used in dry-type and oil-immersed transformers.
It is made from high-purity aluminum and processed through rolling, annealing, and slitting to ensure excellent electrical conductivity, smooth surface, and tight dimensional tolerance.
At Worthwill Aluminum, we produce high-quality transformer aluminum strips directly from our own factory, offering competitive prices and fast delivery worldwide.






Product Features
| Feature | Description |
|---|---|
| Material | Pure Aluminum (1060, 1070, 1350) |
| Purity | ≥ 99.7% |
| Surface | Smooth, burr-free edges |
| Conductivity | ≥ 61% IACS |
| Mechanical Strength | Stable after annealing |
| Flatness | High precision slitting, uniform thickness |
Key Advantages:
- Excellent electrical and thermal conductivity
- Low density and easy processing
- Cost-effective compared with copper
- High temperature and corrosion resistance
- Smooth edges for safe winding operations
Common Alloys and Specifications
| Alloy | Temper | Thickness (mm) | Width (mm) | Application |
|---|---|---|---|---|
| 1060 | O / H18 | 0.2 – 3.0 | 20 – 1350 | Power transformer winding |
| 1070 | O / H24 | 0.3 – 2.0 | 30 – 1250 | Dry-type transformer |
| 1350 | O | 0.2 – 2.5 | 20 – 1300 | Electrical transformer conductor |
Note: Custom sizes and tempers can be produced according to your drawings or requirements.
Production Process
- Melting & Casting – High-purity aluminum ingot refining
- Hot Rolling & Cold Rolling – To achieve precise thickness and surface finish
- Annealing – Ensures flexibility and conductivity
- Slitting – Accurate width control for transformer winding
- Quality Inspection – 100% inspection for thickness, burrs, and flatness
Applications of Aluminum Strip for Transformer


Aluminum strips are widely used in the electrical and power industries.
Main Applications:
- Transformer winding conductor
- Current transformer and voltage transformer coils
- Distribution transformer cores
- Power supply equipment
- Electrical motors and reactors
Why Choose Aluminum Strip Instead of Copper
| Property | Aluminum | Copper |
|---|---|---|
| Density | 2.7 g/cm³ | 8.9 g/cm³ |
| Conductivity | 61% IACS | 100% IACS |
| Cost | Lower | Higher |
| Weight | Lighter | Heavier |
| Flexibility | Excellent after annealing | Moderate |
Conclusion:
Aluminum strips are lighter, cheaper, and easier to process, making them ideal for modern transformer manufacturing.
Worthwill Aluminum — Reliable Factory Supplier
1. Factory Capability
Worthwill Aluminum owns advanced casting, rolling, and slitting production lines, ensuring precise control of every stage.
We offer stable quality, fast lead time, and direct factory pricing.
| Item | Detail |
|---|---|
| Production Capacity | 1,000+ tons/month |
| Delivery Time | 7–15 working days |
| Quality Control | ISO & SGS Certified |
| Export Experience | 60+ countries worldwide |
2. Why Choose Worthwill Aluminum
- Over 15 years of production experience in aluminum strip manufacturing
- Direct factory supply, no middlemen
- Professional customization for transformer producers
- Stable and pure aluminum conductivity
- Long-term cooperation with electrical equipment companies worldwide
Packaging & Delivery
| Packaging Type | Description |
|---|---|
| Standard Export Packing | Wooden pallets with waterproof film |
| Protection | Plastic layer between coils |
| Coil Weight | 100–300 kg per roll |
| Lead Time | 7–15 days after payment |
| Shipping | By sea, air, or express (as per client needs) |
Quality Inspection Before Shipment
At Worthwill Aluminum, every aluminum strip undergoes:
- Thickness and Width Measurement
- Surface Brightness & Burr Inspection
- Electrical Conductivity Test
- Mechanical Tensile Testing
- Coil Packaging Check
We ensure all strips meet transformer safety and efficiency standards before shipment.
FAQ – Aluminum Strip for Transformer
1. What alloy is best for transformer aluminum strip?
The most common and recommended alloys are 1060, 1070, and 1350, with purity over 99.7%.
2. What temper is suitable for winding?
O (annealed) temper is ideal for flexibility and easy winding in transformer coils.
3. Can I order custom width and coil weight?
Yes, Worthwill Aluminum can produce according to your specific requirements.
4. What is the difference between aluminum and copper winding?
Aluminum is lighter and cheaper, while copper has higher conductivity but is more expensive.
5. How can I get a quotation?
Send us your required alloy, thickness, width, and quantity, and we’ll reply within 12 hours with the best factory price.
Aluminum Strips for Transformer
Aluminum strip for transformer plays a vital role in the power industry due to its excellent electrical conductivity, light weight, and cost efficiency.
With factory-direct pricing, fast production, and reliable quality, Worthwill Aluminum is your trusted supplier for transformer aluminum strips.
Contact Worthwill Aluminum today for high-purity aluminum strips and free samples for testing.