Copper-chromium-zirconium alloys
Precipitation-hardenable CuCrZr alloy (RWMA Class 2) balancing electrical and thermal conductivity with reinforced mechanical strength — the reference for automotive welding electrodes and continuous-casting molds.
Characteristics
Family characteristics
- RWMA Class 2 — high conductivity and hardness
- 0.5–1.2% chromium and 0.07–0.3% zirconium
- Thermal conductivity 312–320 W/m·°K
- Ductility preserved up to 500 °C
- Excellent precipitation-hardening response
Typical applications
Typical applications
- Resistance welding electrodes (automotive)
- Robotic welding arms
- Continuous-casting molds
- Electrical contacts and breakers
Available alloys
Available alloys
- BM 1815UNS C18150
CuCrZr alloy for resistance welding electrodes and high-volume molds, with thermal conductivity above 312 W/m·K.