S23
CuZn23Al3Co
Cu72-75 Zn reste Al3-3.8 Co0.25-0.55 Pb0.03 max
Chemical composition |
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Cu72-75
ZnBAL
Pb0.03 max
Fe0.2 max
Co0.25-0.55
Al3-3.8
Alloy name | |
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RLSA no. | 375 |
EN standard | CW703R |
DIN standard | |
UNS no.* | C68800 |
*Unified Numbering System (USA)
Characteristics and main uses
Physical properties | Units | |
---|---|---|
Density (20°C) | 8,23 | Kg/dm³ |
Melting point | 950 | °C |
Longitudinal elasticity modulus | 116 | GPa |
Thermal conductivity | W/m·K | |
Electrical conductivity | >9 | m/Ω·mm² |
Electrical resistivity | <0.11 | µΩ·m |
Linear expansion Coefficient | 18,2 | 10⁻⁶·K⁻¹ |
IACS (International Annealed Copper Standard) | 17 | % |
Poisson's ratio | 0,34 |
Capabilities | |
---|---|
Corrosion resistance | 3 |
Hot deformation | 3 |
Cold deformation | 4 |
Electrodepositing | |
Diamond cutting | |
Nitriding | |
Mechanical polishing | 4 |
Welding without filler | 1 |
Brazing | 2 |
1 poor | 2 average | 3 good | 4 very good | - no info