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Core processes

Specialised

Materials

Cu-ETP | CW004A

Cu-ETP bzw. CW004A is an electrolytically refined copper with very high electrical and thermal conductivity.
The material is preferred for current-carrying or heat-conducting components where low resistance is critical.
Typical applications are electrical contacts, conductors, technical connectors and functional copper parts.

Materials

EN	ISO	UNS
CW004A	Cu-ETP	C11000

Materials

%	Cu	O	Bi	Pb
min.	99,9	-	-	-
max.	-	0,04	0,0005	0,005

Materials

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Corrosion resistance	Workability	Forgeability	Weldability	Machinability
★★☆	★★☆	★★★	★☆☆	★☆☆

Materials

Density g/cm³	Electrical resistance in W (hardened)	Thermal conductivity in W/m*k	Specific heat capacity J/(g*K)	Magnetizability
8,93	0,018	394	0,386	★☆☆

Materials

Hardness HV	Thermal expansion coeff. 10-6/°C	Spec. electrical conductivity MS/m	Elastic modulus kN/mm²
≥ 45	≥ 17,7 (0 - 300°C)	58	110 - 130