Copper Foils For Transformer Winding


Copper Foils For Transformer Winding is widely sold in the world with high performance, also called transformer Copper Coils. The commonly used copper grades are ETP Grade (Electrolytic Tough Pitch), C11000, UNS C10200 TU1, temper O or H state.

Technical parameters:

Name: Copper Foils
Grade: Cu-ETP/C-11000/E -Cu58
Temper: Soft(O),Hard(H)
Dimension: Thickness: 0.1-4.0mm; width: 20-1500mm
Standard: ASTM,EN 13599, GB-T 18813-2002
Packing: In coil, Inner Diameter: 300mm, 400mm, 500mm, etc. IEC, NEMA, GB, JIS


1. Super Thin, No Burrs and no scratch
2. Totally annealed
3. High strength
4. Above 99.80% IACS high electric conductivity
5. Excellent side camber 2mm/meter

The manufacturing process of transformer copper strips:

it includes continuous up-casting, continuously extruded, milling face, rolling, welding, milling face, high annealing, rolling, low-temperature annealing, Cleaning and Passivation, aligning, cutting, chamfering, the main method by welding, the width for improving copper strips, meets the width requirement of transformer copper strips.