CuZn23Al3Co
Other
Property Overview
Density8.2g/cm³
Elastic ModulusUnknown
Tensile Strength660-750MPa
Yield Strength580MPa
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
CO
CuZn23Al3Co ( CW703R ) Cupper alloy Chemical composition. Equivalents of CuZn23Al3Co ( CW703R ). Standards.1 Mechanical Properties. Hardness%
Mechanical
A - Min. elongation Lo = 50mm (%) (R660)
8-10
A - Min. elongation Lo = 50mm (%) (R740)
3
R p0.2 0.2% proof strength (MPa) (R660)
580
R p0.2 0.2% proof strength (MPa) (R740)
660
Rm - Tensile strength (MPa) (R660)
660-750
Rm - Tensile strength (MPa) (R740)
740-830
Hardness
Vickers hardness ( HV): (H190) (R660)
190 - 220
Vickers hardness ( HV): (H210) (R740)
210 - 240
Other
H
Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements
R
Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
Registered Designations & Aliases
CW703RCuZn23Al3Co
Standards
EN 1654 EN 1654: 1998 Copper and copper alloys. Strip for springs and connectors