Standard designation
|
Marking according to DIN EN 1982: |
CuSn11Pb2-C - GS |
|
Material number according to DIN EN 1982: |
CC482K |
|
Old mark based on DIN 1705 and DIN 1716: |
G-CuSn12Pb |
|
Old material no.: |
2.1061.01 |
Chemical composition in wt. %
| Copper Cu | 83,5-87,0 |
| Nickel Ni | < 2,0 |
| Phosphorus P | < 4,0 |
| Lead Pb | 0,7-2,5 |
| Tin Sn | 10,5-12,5 |
| Aluminium Al | < 0,01 |
| Iron Fe | < 0,20 |
| Manganese Mn | < 0,2 |
| Sulphur S | < 0,08 |
| Antimony Sb | < 0,2 |
| Silicon Si | < 0,01 |
| Zinc Zn | < 2,0 |
Physical properties
| Density g/cm³ | 8,7 |
| Melting range °C | 830-1000 |
|
Shrinkage value °C |
1,5 |
| Electr. conductivitiy at 20 °C MS/m | 6,2 |
| Thermal conductivity at 20 °C W/(m*K) | 54 |
| Linear expansion coefficient 10-6/K | 18,5 |
Mechanical characteristics
| Tensile strength Rm (MPa) | 260 |
| 0,2 % - yield strength RP0,2 (MPa) | 130 |
| Ultimate tensile strength A (%) | 5 |
| Brinell hardness HB10 | 80 |
Technological properties
| Elastic modulus GPa | 90-110 |
| Flexural fatique strength MPa | 130 |
| Shear strength MPa | 195-210 |
Machining brazing-soldering and weldability
| Machinability | 2 |
| Brazing | medium |
| Gas welding | poor |
| Inert gas welding | mittel |
Comments
Bearing material with antifriction properties and wear resistance; corrosion and salt water resistant.
Notes on usage
Sleeve bearings with high load peaks (impact loads up to 60 MPa) highly stressed guide plates and ribs.