CuNi25
CUPRONICKEL
Cu reste Ni24-26
| Chemical composition |
|---|
CuBAL
Ni24-26
Zn0.2 max
Pb0.02 max
Fe0.25 max
Mn0.15-0.50
Si0.1 max
S0.02max
C0.05 max
Other0.1 max
| Alloy name | |
|---|---|
| RLSA no. | 625 |
| EN standard | |
| DIN standard | 2.0830 |
| UNS no.* |
*Unified Numbering System (USA)
Characteristics and main uses
| Physical properties | Units | |
|---|---|---|
| Density (20°C) | 8,90 | Kg/dm³ |
| Melting point | 1150-1220 | °C |
| Longitudinal elasticity modulus | GPa | |
| Thermal conductivity | W/m·K | |
| Electrical conductivity | m/Ω·mm² | |
| Electrical resistivity | 0,34 | µΩ·m |
| Linear expansion Coefficient | 16,3 | 10⁻⁶·K⁻¹ |
| IACS (International Annealed Copper Standard) | 5 | % |
| Poisson's ratio |
| Capabilities | |
|---|---|
| Corrosion resistance | |
| Hot deformation | |
| Cold deformation | |
| Electrodepositing | |
| Diamond cutting | |
| Nitriding | |
| Mechanical polishing | |
| Welding without filler | |
| Brazing |
1 poor | 2 average | 3 good | 4 very good | - no info
