Core Material / Technical Data

Data Sheet Cu (Copper, pure and alloyed) ¹⁾

		Electrolytic Tough Pitch Copper	Oxygen-free Copper	Oxygen-free Copper select. *)	*Copper with Ag )**	OF-Copper with Mg
Standard Specifications	DIN / EN	Cu-ETP1	Cu-OF1	Cu-OF1 select.	CuAg0,1	CuMg0,4
	DIN / EN	CW003A	CW007A	-	CW013A	CW128C
	UNS	C11040	C10100	-	C11600	C18661
Nominal Composition	[%]	≥99,90 Cu	≥99,95 Cu	≥99,95 Cu	0,1 Ag balance Cu	0,55 Mg balance Cu
Electrical Conductivity ²⁾	[m/(Ohm mm²)]	58	58	58	57	37
Spec. electrical Conductivity ²⁾	[% IACS]	100	100	100	98	64
Thermal Conductivity	[W/m K]	390	390	390	390	380
Coefficient of thermal Expansion ³⁾	[10^-6 / K]	17	17	17	17	18
Tensile Strength annealed	[N/mm²]	240	240	240	240	310
Elongation annealed	[%]	30	30	30	30	30
Tensile Strength hard	[N/mm²]	450	450	450	450	560
Density	[g/cm³]	8,89	8,89	8,89	8,89	8,89

1) Wire diameter tested: 0,8 mm.
2) At 20 °C.
3) Temperature range 20 °C - 200 °C.

*) Higher temperature resistivity.