... same as CuCo2Be-C17500 and CuNi2Be-C17510.Typical Application for CuCo1Ni1Be - Cobalt Nickel Beryllium Copper AlloysElectrical: Fuse Clips ... holders and Seam Welding discs in Resistance Welding, Plunger Tips in Aluminum Die Casting Machines, Injection Nozzles, Cooling ... Machines, Mulds for Casting of Non-Ferrous Materials, Tooling for Plastic Moulds ,Butt Welding Jaws, Contact Tips for Submerged-Arc- ...