(UR) Chemical Composition
|
| |
| Alloy |
Chemical composition (wt％) |
| Cu |
Pb |
Sn |
Fe |
Ni |
Mn |
Al |
Zn |
| UR30 |
64.0 |
－ |
0.6 |
－ |
0.3 |
－ |
－ |
Rem |
| UR31 |
63.0 |
1.9 |
0.8 |
0.1 |
0.4 |
－ |
－ |
Rem |
| UR34 |
62.0 |
1.7 |
0.8 |
0.2 |
0.4 |
－ |
－ |
Rem |
| C36000 |
59.0 |
3.0 |
0.2 |
0.3 |
0.1 |
－ |
－ |
Rem |
| C37700 |
58.5 |
2.3 |
0.2 |
0.3 |
0.1 |
－ |
－ |
Rem |
| C46400 |
60.0 |
0.1 |
0.7 |
0.1 |
－ |
－ |
－ |
Rem |
| C83600 |
85.0 |
5.4 |
4.4 |
－ |
0.1 |
－ |
－ |
Rem |
|
| |
 |
UR30 is produced by adding Sn, Ni, and effective micro-element to Cu-Zn alloy. |
|
UR31 and 34 are produced by adding Pb to UR30 to increase machinability. |
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