Standard designation
| Marking according to DIN EN 1982: | CuSn10-C - GS |
| Material number according to DIN EN 1982: | CC480K |
| Old mark based on DIN 1705 and DIN 1716: | G-CuSn10 |
| Old material no.: | 2.1050.01 |
Chemical composition in wt. %
| Copper Cu | 88,0-90,0 |
| Nickel Ni | < 2,0 |
| Phosphorus P | < 0,2 |
| Lead Pb | < 1,0 |
| Tin Sn | 9,0-11,0 |
| Aluminium Al | < 0,01 |
| Iron Fe | < 0,2 |
| Manganese Mn | < 0,10 |
| Sulphur S | < 0,05 |
| Antimony Sb | < 0,2 |
| Silicon Si | < 0,02 |
| Zinc Zn | < 0,5 |
Physical properties
| Density g/cm³ | 8,7 |
| Melting range °C | 830-1020 |
| Shrinkage value °C | 1,5 |
| Electr. conductivity at 20 °C MS/m | 7,0 |
| Thermal conductivity at 20 °C W/(m*K) | 59 |
| Linear expansion coefficient 10-6/K | 18,5 |
Mechanical characteristics
| Tensile strength Rm (MPa) | 250 |
| 0,2 % - yield strength RP0,2 (MPa) | 130 |
| Ultimate tensile strength A (%) | 18 |
| Brinell hardness HB10 | 70 |
Technological properties
| Elastic modulus GPa | 90-110 |
| Flexural fatique strength MPa | 100 |
| Shear strength MPa | 200-215 |
Machining brazing-soldering and weldability
| Machinability | 3 |
| Brazing | good |
| Gas welding | medium |
| Inert gas welding | good |
Comments
Structural material with good expansion, corrosion and salt water resistant.
Notes on usage
Valves and pump bodies, stators, impellers and paddle wheels for pumps and water turbines.