Core Material / Technical Data ¹⁾

Data Sheet CuZn (Copper-Zinc Alloys)

		Brass	Brass	Brass	Brass
Standard Specifications	DIN / EN	CuZn15	CuZn20	CuZn30	CuZn37
	DIN / EN	CW502L	CW503L	CW505L	CW508L
	UNS	C23000	C24000	C26000	C27400
Nominal Composition	[%]	15 Zn balance Cu	20 Zn balance Cu	30 Zn balance Cu	37 Zn balance Cu
Spec. electrical Conductivity ²⁾	[m/(Ohm mm²)]	21,5	18,8	16	15,1
Spec. electrical Conductivity ²⁾	[% IACS]	37	32	28	26
Thermal Conductivity	[W/m K]	160	140	125	120
Coefficient of thermal Expansion ³⁾	[10^-6 / K]	18	18	20	20
Tensile Strength annealed	[N/mm²]	350	350	380	380
Elongation annealed	[%]	30	30	30	30
Tensile Strength hard	[N/mm²]	600	600	720	720
Spec. Density	[g/cm³]	8,75	8,65	8,55	8,50

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

Data Sheets at a Glance