C18200, CDA182, CA182 Chromium Copper, RWMA Class II


C18200 Class II Chromium Copper is the primary copper alloy used for resistance spot and seam welding. C18200 is a high conductivity copper alloy that obtains optimum properties from both heat treatment and cold working. C18200 offers resistance to softening at elevated temperatures along with good strength and hardness. In addition to resistance welding applications C18200 is used for numerous electrical applications where resistance to deformation at high temperature is required. The RWMA designation is Class II.


Arcing and Bridging Parts, Cable, Circuit Breaker Parts, Connectors,Contacts, Current Carrying Shafts and Arms, Electric Motor and Generator Components, Electrical Conductors Requiring Greater Strength than Copper, Electrical Connectors, Electrode Holder Jaws, Electron Tube Grid Side Rods, Flash Welding Electrodes, Heat Sinks, Molds, Parts for Electronic Devices, Pencil-type & Light Soldering Guns: Tips, Rod Extensions, Plastic Mold Components, Resistance Welding Machine Electrodes, Seam Welding Wheels, Semi Conductor Bases, Spot Welding Tips, Structural Parts, Switch Contacts, Switch Gears, Thermal Conductors Requiring Greater Strength than Copper, Wear Plates on Heavy Equipment, Wire, High Temperature


MIL-C-19311 Copper-chromium-alloy Forgings, Rod, Bar, And Strip & Forgings
F9 Round Wire For Use As Grid Side Rods In Electron Tubes

Available Forms

  • Bar
  • Forge
  • Rod
  • Strip
  • Wire