CuSn6
BRONZE
Cu reste Sn5.5-7 Pb0.03 max
| Chemical composition |
|---|
CuBAL
Ni0.3 max
Zn0.3 max
Pb0.03 max
P0.01-0.35
Sn5.5-7
Fe0.1 max
Other0.2 max
| Alloy name | |
|---|---|
| RLSA no. | 506 |
| EN standard | CW452K |
| DIN standard | 2.1020 |
| UNS no.* | C51900 |
*Unified Numbering System (USA)
Characteristics and main uses
CuSn6 is a copper alloy (bronze) with 6% tin. The alloy has high strength and good elasticity. It is also well suited to cold forming operations. The alloy is wear-resistant, has very good corrosion resistance and can be easily welded.
| Physical properties | Units | |
|---|---|---|
| Density (20°C) | 8,80 | Kg/dm³ |
| Melting point | 900-1050 | °C |
| Longitudinal elasticity modulus | 118 | GPa |
| Thermal conductivity | W/m·K | |
| Electrical conductivity | >8 | m/Ω·mm² |
| Electrical resistivity | <0.125 | µΩ·m |
| Linear expansion Coefficient | 18,5 | 10⁻⁶·K⁻¹ |
| IACS (International Annealed Copper Standard) | >13 | % |
| Poisson's ratio |
| Capabilities | |
|---|---|
| Corrosion resistance | 2 |
| Hot deformation | 1 |
| Cold deformation | 4 |
| Electrodepositing | 4 |
| Diamond cutting | 4 |
| Nitriding | |
| Mechanical polishing | 3 |
| Welding without filler | 3 |
| Brazing | 2 |
1 poor | 2 average | 3 good | 4 very good | - no info
