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High performance white copper alloy BZn9~21-C78200

Typical Applications Electronic plug-in componentsElectromagnetic shielding shellWatch parts, car key bladesPrecision i

Product description

Product categories:Copper series alloys

Product brand:BZn9~21-C78200

Characteristic:

Higher strength and elasticity
Good corrosion resistance performance
Good cold and hot processing performance
Easy to braze and electroplate
Easy cutting performance

Product specific parameters

Typical Applications Electronic plug-in components
Electromagnetic shielding shell
Watch parts, car key blades
Precision instruments, instruments and other components, etc
Chemical composition
Copper Cu 63.0~67.0 Wt%
Nickel Ni 7.0~9.0 Wt%
Iron Fe ≤ 0.35 Wt%
Manganese Mn ≤ 0.5 Wt%
X 1.5~2.5 Wt%
Zinc Margin Wt%
Physical performance
Melting point 998 ° C
Density 8.7 g/cm3
Conductivity 10.9 % IACS
Thermal conductivity k 28 W/m/k
Thermal expansion coefficient 10.3 μ M/m/° C
Elastic modulus 117 Gpa
Mechanical properties
Status Bar specification (mm) Tensile strength (MPa) Yield strength (MPa) Elongation rate (%) Hardness (HRB)
H01 Φ 7-100 ≥ 420 ≥ 290 ≥ 24 ≥ 125
H02 Φ 7-100 ≥ 475 ≥ 400 ≥ 12 ≥ 140
H04 Φ 7-100 ≥ 585 ≥ 500 ≥ 4 ≥ 173
H06 Φ 7-100 ≥ 625 ≥ 520 ≥ 3 ≥ 185