Cu-Zr alloy
15ZC
C15000
A copper alloy with electrical conductivity close to that of oxygen-free copper, featuring high strength and excellent heat resistance.
Positioning map
A copper alloy with electrical conductivity close to that of oxygen-free copper, featuring high strength and excellent heat resistance. It is used in high-voltage relays, high-voltage terminals, and welding tips.
Main features
- Excellent electric and thermal conductivity
- High strength as compared with pure copper
- Excellent heat resistance
Chemical composition
The chemical components of 15ZC are as follows.
(Weight %)
| Zr | Cu |
|---|---|
| 0.15 | Rem. |
Technical Data
Physical properties
The physical properties of 15ZC are as follows.
| Property | Representative Value |
|---|---|
| Specific Gravity (293K) | 8.9 |
| Coefficient of Thermal Expansion (×10-6/K：293～573K) |
17.7 |
| Thermal Conductivity (W/(m・K)：293K) |
365 |
| Volume Resistivity (μΩm：293K) |
0.019 |
| Electrical Conductivity (%IACS:293K) |
93 |
Mechanical properties
Mechanical properties of 15ZC are as follows.
| Temper | Rods TMT |
|---|---|
| Tensile Strength (N/mm²) |
400 |
| Elongation (%) |
15 |
| Vickers Hardness※ (HV) |
120 |
Heat resistance
The heat resistance of 15ZC is as follows. 15ZC shows higher heat resistance than MOFC-10200.
