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.


Copper Foils For Transformer Winding 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

Transformer Copper Foils Features
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.

The standard of Copper Coils

INDUSTRY	USA	ITALY	CHINA	EURONORM		JAPANESE
STANDARD	ASTM B5, B152	UNI 5649	GB/T	EN 1652	DIN 1976	JIS
C1100	C11000	Cu-ETP	T2	CW004A	E-Cu 58	C1100

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