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Cu Cr Zr
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 Standard
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ASTM
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Common Name
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C18100-C18150
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Cu Cr 1 Zr
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C18200-C18500
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Cu Cr 1
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C15000
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Cu Zr
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Chemical Composition
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Product
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Cu
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Cr
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Zr
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Fe
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Si
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C18150
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Rem
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0.6-1.2
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0.05
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<0.10
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<0.10
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C18200
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Rem
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0.8-1.2
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--
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<0.10
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<0.10
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<0.05
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C15000
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Rem
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--
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0.10-0.20
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--
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--
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--
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Typical Mechanical Properties
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Electrical
Conductivity
(%IACS)
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| Application |
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C18150
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Copper Chromium Zirconium used extensively for cap style resistance welding electrodes. Evidence suggests that it can provide less sticking and resist deformation longer than its copper-chrome counterpart in some specific situations.
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C18200
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Chromium Copper is used in resistance welding machine electrodes, seam welding wheels, electrical switch gear, electrode holder jaws, cable connectors, current carrying arms and shafts, circuit breaker parts, arcing and bridging parts, grid side rods in electron tubes, molds, spot welding tips, flash welding electrodes, electrical and thermal conductors requiring greater strength than copper, switch contacts.
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C15000
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Zirconium Copper is an excellent welding material with very high softening temperature. Adding a small amount of zirconium into copper raises the softening temperature dramatically and also the strength of copper is improved. The softening temperature of CuZr is very high: about 500 C. Zirconium copper is suitable for power semiconductor bases, connectors, spot welding electrodes and adaptors etc.
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