Cu-Cr-Zr alloy
CZ1
C18150
- High current
- High conductivity high／High heat-resistant
A copper alloy with high electrical conductivity, featuring excellent heat resistance and strength.
Positioning map
A copper alloy with high electrical conductivity, featuring excellent heat resistance and strength. It is used in high-voltage terminals, and welding tips.
Main features
- High electric and thermal conductivity (conductivity%, IACS average)
- Excellent strength as compared with pure copper
- Excellent heat resistance
Chemical composition
The chemical components of CZ1 are as follows.
(Weight %)
| Cr | Zr | Cu |
|---|---|---|
| 0.8 | 0.1 | Rem. |
Technical Data
Physical properties
The physical properties of CZ1 are as follows.
| Property | Representative Value |
|---|---|
| Specific Gravity (293K) | 8.9 |
| Coefficient of Thermal Expansion (×10-6/K：293～573K) |
17.3 |
| Thermal Conductivity (W/(m・K)：293K) |
320 |
| Volume Resistivity (μΩm：293K) |
0.022 |
| Electrical Conductivity (%IACS:293K) |
81 |
Mechanical properties
Mechanical properties of CZ1 are as follows.
| Temper | Rods TMT |
|---|---|
| Tensile Strength (N/mm²) |
560 |
| Elongation (%) |
13 |
| Vickers Hardness※ (HV) |
170 |
Heat resistance
The heat resistance of CZ1 is as follows. CZ1 shows higher heat resistance than MOFC-10200.
