Transformer Copper Strip

Application：Used as the winding of a transformer, mainly for the role of transmitting power.

Characteristic：It has excellent thermal conductivity, electrical conductivity and flexibility, and can be cold worked and welded.

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Transformer

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Chemical composition

Designation				Composition (mass fraction) /%
GB	EN	ASTM	JIS	Cu+Ag	Bi	Sb	As	Fe	Pb	S	O
T2	Cu-ETP	C11000	C1100	≥99.90	≤0.001	≤0.002	≤0.002	≤0.005	≤0.005	≤0.005	≤0.040

Properties

Condition	Thickness/mm	Tensile strength Rm/MPa	Elongation A50/%	Vickers hardness/HV	Conductivity%IACS	Volume resistivityΩ·m㎡/m
O60	0.10-3.00	195-260	≥30	45-65	≥98	≤0.017593

Note: Other products with performance requirements can also be supplied after negotiation between the supply and demand parties. For example, electrical conductivity ≥100%IACS.

Thickness and tolerances

Thickness/mm	Width/mm
	≤200	>200-400	>400-600	>600-800	>800-1400
	Thickness on tolerances/mm
0.1-0.3	±0.010	±0.010	±0.010	±0.010	-
>0.3-0.5	±0.015	±0.015	±0.015	±0.020	±0.020
>0.5-0.7	±0.020	±0.020	±0.020	±0.030	±0.035
>0.7-1.1	±0.020	±0.020	±0.020	±0.035	±0.040
>1.1-1.5	±0.025	±0.030	±0.030	±0.040	±0.045
>1.5-2.0	±0.030	±0.030	±0.035	±0.045	±0.060
>2.0-2.5	±0.035	±0.035	±0.040	±0.055	±0.060
>2.5-3.0	±0.040	±0.045	±0.045	±0.070	±0.070

NOTE: If the dimensional tolerance required by the demander is single positive or single negative tolerance, the value shall be twice the corresponding value in the table.

Width and tolerances

Width/mm	Thickness/mm
	≤1.0	>1.0-1.5	>1.5-3.0
	Width on tolerances/mm
≤100	±0.10	±0.20	±0.25
>100-300	±0.15	±0.25	±0.30
>300-600	±0.30	±0.40	±0.50
>600-1400	±0.60	±0.70	±0.70

NOTE: If the dimensional tolerance required by the demander is single positive or single negative tolerance, the value shall be twice the corresponding value in the table.