Chemical, mechanical and physical properties of SVS copper alloys

Value	Unit	WIRBALIT® HF/N/G	WIRBALIT® B	WIRBALIT® D	WIRBALIT® CA
Composition		CuCr1Zr	CuCo2Be	CuNi2,5SiCr	CuAl2O3
Material No. / Standard		2.1293 - CW106C C 18150 C 18200 C 18400	2.1285 - CW104C C17500 C17510	DIN 17666	C15715 C15725 C15760
Tensile strength	Rm MPa	≥ 490	≥ 690	≥ 570	≤530
Yield strength	Rp0,2 MPa	≥ 440	≥ 570	≥ 460	≤460
Elongation at break	A %	≥ 10	≥ 12	≥ 10
Elongation	%	≥ 50	≥ 15	≥ 25
Hardness HBW	2,5/62,5	150 -180	220-280	≥ 185	150-180
Hardness	HV30	160 - 185	230-300	≥ 195	160-185
Density at 20°C	g/cm3	8.9	8.8	8.9	8,9
Melting temp. (Liquidus)	°C	1075	1056	1060	1083
Linear expansion coefficient	(20°C - 300°C) 10-6/K	18	17.8	18	~17
Modulus of elasticity	kN/mm2	120	120	140	130
Thermal conductivity at 20°C	W/(m · K)	330	230	220	>320
Softening temperature	°C	475	500	475	980

Hot Hardness
Hardness values (indicative) at elevated temperatures.
Annealing Resistance
Hardness values (indicative) at room temperature after 30 minutes of heating to specified temperatures.
Annealing Resistance
Indicative hardness and electrical conductivity of WIRBALIT® HF at room temperature following heat exposure at 600°C, shown as a function of annealing time.