Jan 8 2013
UNS C64780 copper-nickel-silicon alloy has a copper content of not less than 90%.
The following table shows the mechanical properties of UNS C64780 flat products as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Elong. |
Fatigue Str. |
| H02 |
- |
510 MPa (74 ksi) |
15% |
- |
| H04 |
- |
590 MPa (86 ksi) |
10% |
240 MPa (35 ksi) |
| H06 |
0.25 mm (0.009 ksi) |
710 MPa (103 ksi) |
14% |
260 MPa (38 ksi) |
| H10 |
- |
850 MPa (123 ksi) |
11% |
280 MPa (41 ksi) |
The chemical composition of UNS C64780 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
90 |
| Nickel, Ni |
1.0-3.5 |
| Silicon, Si |
0.20-0.9 |
| Zinc, Zn |
0.20-2.5 |
| Tin, Sn |
0.10-2.0 |
| Lead, Pb |
0.02 |
| Manganese, Mn |
0.01-1.0 |
| Chromium, Cr |
0.01 |
| Magnesium, Mg |
0.01 |
| Titanium, Ti |
0.01 |
| Zirconium, Zr |
0.01 |