S23
CuZn23Al3Co
Cu72-75 Zn reste Al3-3.8 Co0.25-0.55 Pb0.03 max
| Chemical composition |
|---|
Cu72-75
ZnBAL
Pb0.03 max
Fe0.2 max
Co0.25-0.55
Al3-3.8
| Alloy name | |
|---|---|
| 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
