Kupperlux 21
Cu + Cr (0.8 – 1.2 %) + Zr (0.05 – 0.15 %)

  • High softening resistance and excellent heat stability, superior hardness retention.
  • Robotic welding arms, resistance electrodes, mold inserts, high-temperature tools.
SKU Kupperlux 21 Category

Kupperlux 21<br>Cu + Cr (0.8 – 1.2 %) + Zr (0.05 – 0.15 %)
Kupperlux 21<br>Cu + Cr (0.8 – 1.2 %) + Zr (0.05 – 0.15 %) - Image 2

Specifications

2-Series
  • Chromium Copper
  • Strength + Conductivity
Model KupperLux 21
Composition Cu + Cr (0.8 – 1.2 %) + Zr (0.05 – 0.15 %)
Hardness
(HRB / HRC)		 HRB 85 – 95 (≈ HRC 20 – 22)
Elongation(%) 10 – 20 %
Conductivity
(% IACS)		 75 – 80 %
Key Characteristics High softening resistance and excellent heat stability, superior hardness retention.
Application Robotic welding arms, resistance electrodes, mold inserts, high-temperature tools..

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