Products can be customized
1050 aluminum strip is commonly used for transformer winding because of its high aluminum content, good ductility and stable processing performance. In O temper, it is soft and easy to wind, helping improve coil forming efficiency and reduce the risk of cracking during processing. We can supply 1050 transformer aluminum strip in customized thickness, width and coil specifications according to different winding requirements.
Product Name | 1050 Aluminum Strip for Transformer Winding |
Alloy | 1050 |
Temper | O / Soft |
Thickness | 0.20 – 3.00 mm |
Width | 10 – 1250 mm |
Inner Diameter | 150 mm / 300 mm / 400 mm / 500 mm or customized |
Surface | Smooth, clean, no obvious scratch |
Edge Condition | Deburred edge / round edge / slit edge |
Coil Weight | According to customer requirements |
Standard | According to applicable industry standard or customer agreement |
MOQ | To be negotiated |
Supply Ability | Customized production available |
Thickness and Width Tolerance:
Thickness (mm) | Thickness Tolerance (mm) | Width (mm) | Width Tolerance (mm) |
0.20 – 0.50 | ±0.01 / ±0.02 | <100 | ±0.10 |
0.50 – 1.00 | ±0.02 | 100-200 | ±0.15 |
1.00 – 2.00 | ±0.03 | 201-500 | ±0.20 |
2.00 – 3.00 | ±0.04 | 501-1250 | ±1 |
Note: Tolerance can be adjusted according to product size, production condition and customer requirements.
Burr and Edge Collapse Tolerance:
Item | Requirement |
Burr height | ≤ 0.03 mm |
Edge collapse | ≤ 0.05 mm |
Edge condition | Smooth and neat |
Optional processing | Deburred edge / round edge available |
Note: Edge quality can be controlled according to winding requirements and technical agreement.
Typical Chemical Composition (%):
Alloy | Al (%) Min | Si (%) Max | Fe (%) Max | Cu (%) Max | Mn (%) Max | Mg (%) Max | Zn (%) Max | Others Max |
1050 | 99.50 | 0.25 | 0.40 | 0.05 | 0.05 | 0.05 | 0.05 | 0.03 each / 0.10 total |
Note: Chemical composition is for reference only and may vary slightly depending on the applicable standard.
Typical Mechanical Properties (O Temper):
Alloy | Temper | Tensile Strength (MPa) | Elongation (%) |
1050 | O | 60 – 95 | ≥ 20 |
Note: Mechanical properties may vary with thickness, processing condition and product specification.
Electrical Conductivity:
Alloy | Conductivity (%IACS) |
1050 | ≥ 61.0 |
Note: Conductivity can be supplied according to customer technical requirements.
High purity aluminum material
Good electrical conductivity
Excellent ductility and formability
Soft O temper suitable for winding
Smooth surface and neat edge condition
Accurate thickness and width tolerance
Low burr and controlled edge collapse
Custom specifications available
Transformer winding
Dry-type transformer coils
Oil-immersed transformer coils
Distribution transformers
Power transformers
Electrical conductor components
Compared with general aluminum strip, 1050 aluminum strip for transformer winding requires better control of softness, edge quality and dimensional consistency. Good ductility helps improve winding efficiency, while smooth surface and low burr help reduce insulation damage risk during processing. With reliable conductivity and customized size options, 1050 aluminum strip is a practical choice for transformer manufacturers.
Raw Material Inspection → Rolling → Annealing → Precision Slitting → Surface & Edge Inspection → Performance Testing → Rewinding & Packaging
1050 aluminum strip for transformer winding is manufactured through strict process control, including raw material inspection, precision slitting, annealing treatment and final dimensional inspection.
Each coil can be checked for:
Thickness tolerance
Width tolerance
Surface quality
Edge condition
Coil neatness
Mechanical performance
Electrical conductivity
Eye to wall / eye to sky packaging available
Moisture-proof protection
Plastic film and kraft paper wrapping
Wooden pallet or wooden case
Clear label for each coil
Suitable for sea, land and export transportation
1. What is 1050 aluminum strip used for?
1050 aluminum strip is widely used for transformer winding, electrical conductor applications and other uses requiring good conductivity and formability.
2. Is 1050 aluminum strip suitable for transformer winding?
Yes. In O temper, 1050 aluminum strip has good softness and ductility, making it suitable for transformer coil winding.
3. What temper can you supply?
We mainly supply O temper / soft temper for transformer winding applications. Other tempers can be discussed based on application.
4. Can you provide customized thickness and width?
Yes. We can produce according to customer requirements for thickness, width, inner diameter and coil weight.
5. How do you control burr and edge quality?
We use precision slitting equipment and carry out edge inspection to control burr height, edge collapse and overall edge neatness.
6. Can you provide samples?
Sample availability can be discussed according to specification and stock condition.
7. Are you a manufacturer or trading company?
We are a manufacturer specializing in aluminum strip products for transformer and cable applications.