The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.

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C15000 Zirconium Copper is used as a class 1 electrode material to minimize sticking when resistance spot welding galvanized materials. Zirconium Copper is also used in many high temperature applications i.e. aerospace, power generation, etc. C15000 Copper Zirconium is used for electrodes for welding aluminum alloys, magnesium alloys, coated materials, brass and bronzes. C15000 copper can be used for both spot and seam welding.