|
|
|
UNS C81700 |
 |
|
| Category | Copper Alloy |
| Class | Cast |
| Type | High-copper alloy |
| Designations | United States: UNS C81700 |
| Composition |
|
|
| Element | Weight % |
| Cu |
94.25 (min) |
| Ag |
1.0 |
| Be |
0.4 |
| Co |
0.9 |
| Ni |
0.9 |
|
|
| Mechanical Properties |
|
|
| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
8.8-8.94
|
25 |
|
| Poisson's Ratio |
0.34 |
25 |
|
| Elastic Modulus (GPa) |
117
|
25 |
|
| Tensile Strength (Mpa) |
(634) |
25 |
(castings: centrifugal, continuous, investment, permanent mold, plaster, sand) |
| Yield Strength (Mpa) |
(469) |
| Elongation (%) |
(8) |
| Reduction in Area (%) |
|
| Note: Values in parentheses indicate responses to heat treatment |
| Hardness (HB) |
(217) |
25 |
(as cast) |
| Note: Value in parentheses indicates response to heat treatment. |
|
