Copper Aluminum Composite Strip

Application：Mainly used in solar photovoltaic, wind power generation, electric vehicles, energy storage, smart grid, 5G communication base stations and other industries.

Characteristic：It has excellent thermal conductivity, electrical conductivity and flexibility, and can be cold working and welding.

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Chemical composition

Designation			Composition (mass fraction) /%
GB	ASTM	JIS	Al	Si	Fe	Cu	Mn	Mg	Zn	Ti	V
T2	C11000	C1100	-	-	≤0.05	≥99.90	-	-	-	-	-
1050	1050	A1050	≥99.50	≤0.25	≤0.40	≤0.05	≤0.05	≤0.05	≤0.05	≤0.03	≤0.05
1060	1060	A1060	≥99.60	≤0.25	≤0.35	≤0.05	≤0.03	≤0.03	≤0.05	≤0.03	≤0.05

Properties

Designation	Condition	Thickness/mm	Tensile strength Rm/MPa	Elongation A50/%
T2/1060 T2/1050 T2/1060/T2 T2/1050/T2	O	≥0.1	≥85	≥10
T2/1060 T2/1050 T2/1060/T2 T2/1050/T2	H18	0.1-2.0	≥170	-

Thickness and tolerances

Thickness/mm	Width/mm
	≤300		>300-600
	Thickness on tolerances/mm
	Common level	Higher level	Common level	Higher level
0.1-0.2	±0.010	±0.005	±0.020	±0.005
>0.2-0.5	±0.02	±0.01	±0,030	±0.017
>0.5-0.8	±0.02	±0.01	±0.030	±0.015
>0.8-1.2	±0.02	±0.015	±0.050	±0.015
>1.2-2.0	±0.03	±0.02	±0.070	±0.02

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

Thickness/mm	Width/mm
	≤200	>200-300	>300-600
	Width on tolerances/mm
0.1-2.0	±0.4	±0.5	±0.6

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.