PowderRange® GRCop-42

PowderRange® GRCop-42 is a copper-chromium-niobium, high-performance alloy with high thermal conductivity, excellent creep resistance, low-cycle fatigue life, and the ability to retain strength at elevated temperatures.

PowderRange® GrCop-42 is the preferred alloy for space flight companies in the production of components for liquid rocket engines and other combustion devices.

Type Analysis

  • Carbon (Maximum) Null
  • Silicon (Nominal) 0.035
  • Chromium (Nominal) 3.1-3.4
  • Iron (Nominal) 0.025
  • Aluminum (Nominal) 0.06
  • Copper (Nominal) Balance
  • Oxygen (Maximum) 0.04
  • Niobium (Nominal) 2.7-3.0


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Applicable Specifications



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