Copper-chromium-nickel-silicon alloys
Precipitation-hardenable alloy combining 200–208 W/m·°K thermal conductivity with mechanical strength, used in plastic molds and electrode holders where beryllium is restricted.
Characteristics
Family characteristics
- RWMA Class 3 — balances hardness and conductivity
- Beryllium-free — meets regulatory restrictions
- Thermal conductivity 200–208 W/m·°K
- Electrical conductivity 44–48% IACS
- Excellent performance in plastic molds
Typical applications
Typical applications
- Mold inserts and cavities with high heat dissipation
- Resistance-welding electrode holders
- Aluminum injection pistons
Available alloys
Available alloys
- BM 180UNS C18000
Precipitation-hardenable alloy for mold inserts and cavities with high heat dissipation and for resistance welding electrode holders. Accepts nitriding to reinforce surface hardness.