| Alloy No. | Chemical Compositon % | ||||||||
| Cu | Pb | Fe | Sn | Zn | Al | Mn | Ni | P | |
|
C1020 |
99.96 | - | - | - | - | - | - | - | - |
| C1100 | 99.90 | - | - | - | - | - | - | - | - |
| C1201 | 99.90 | - | - | - | - | - | - | - |  0.004 0.015 |
| C1220 | 99.90 | - | - | - | - | - | - | - | 0.015~0.040 |
| C2600 | 68.5~71.5 | 0.05 | 0.05 | - | REM | - | - | - | - |
| C2700 | 63.0~67.0 | 0.05 | 0.05 | - | REM | - | - | - | - |
| C2800 | 59.0~63.0 | 0.10 | 0.07 | - | REM | - | - | - | - |
| C3601 | 59.0~63.0 | 1.8~3.7 | 0.30 | (Fe+Sn) 0.5 | REM | - | - | - | - |
| C3602 | 59.0~63.0 | 1.8~3.7 | 0.50 | (Fe+Sn)1.2 | REM | - | - | - | - |
| C3603 | 57.0~61.0 | 1.8~3.7 | 0.35 | (Fe+Sn)0.6 | REM | - | - | - | - |
| C3604 | 57.0~61.0 | 1.8~3.7 | 0.50 | (Fe+Sn)1.2 | REM | - | - | - | - |
| C3605 | 56.0~60.0 | 3.5~4.5 | 0.50 | (Fe+Sn)1.2 | REM | - | - | - | - |
| C3712 | 58.0~62.0 | 0.25~1.2 | (Fe+Sn)0.8 | REM | - | - | - | - | |
| C3771 | 57.0~61.0 | 1.0~2.5 | (Fe+Sn)1.0 | REM | - | - | - | - | |