Explore our range of Copper Alloy are ideal for
| Model | Composition | Hardness (HRB/HRC) | Elongation (%) | Conductivity (% IACS) | Key Characteristics | Application |
| Kupperlux-1 | Cu ≥ 99.9 % | HRB 18 – 25 (≈ HRC 2 – 3) | 35 – 45 % | 98 – 100 % | Excellent electrical & thermal conductivity, highly ductile, easy to form, bend, and weld. | Busbars, conductors, grounding rods, switchgear connectors, heat exchangers. |
| Kupperlux-10 | Oxygen-Free Cu (OFHC) | HRB 18 – 25 (≈ HRC 2 – 3) | 35 – 45 % | 100 % | Ultra-pure oxygen-free copper, resistant to hydrogen embrittlement, excellent in vacuum environments. | Semiconductor components, vacuum chambers, cryogenic systems, X-ray and medical equipment. |
| Kupperlux-14 | Cu + Te (0.4 – 0.7 %) | HRB 22 – 30 (≈ HRC 4 – 6) | 30 – 40 % | 90 – 95 % | Free-machining copper, maintains high conductivity with improved wear and cutting performance. | CNC-machined terminals, welding tips, electrical connectors, precision mechanical parts. |
| Model | Composition | Hardness (HRB/HRC) | Elongation (%) | Conductivity (% IACS) | Key Characteristics | Application |
|---|---|---|---|---|---|---|
| Kupperlux 2 | Cu + Cr (0.6 – 1.2 %) | HRB 80 – 90 (≈ HRC 17 – 19) | 15 – 25 % | 80 – 85 % | Excellent combination of strength and conductivity, retains hardness under elevated temperatures. | Spot-welding electrodes, molds, electrical switches, current-carrying parts. |
| Kupperlux 21 | Cu + Cr (0.8 – 1.2 %) + Zr (0.05 – 0.15 %) | HRB 85 – 95 (≈ HRC 20 – 22) | 10 – 20 % | 75 – 80 % | High softening resistance and excellent heat stability, superior hardness retention. | Robotic welding arms, resistance electrodes, mold inserts, high-temperature tools. |
| Model | Composition | Hardness (HRB/HRC) | Elongation (%) | Conductivity (% IACS) | Key Characteristics | Application |
|---|---|---|---|---|---|---|
| Kupperlux 3 | Cu + Zr (0.10 – 0.20 %) | HRB 85 – 95 (≈ HRC 18 – 22) | 10 – 20 % | 75 – 80 % | Excellent thermal stability and anti-softening performance while maintaining ductility. | Continuous casting molds, welding electrodes, electrical switches, automotive connectors. |
| Model | Composition | Hardness (HRB/HRC) |
Elongation (%) |
Conductivity (% IACS) |
Key Characteristics | Application |
|---|---|---|---|---|---|---|
| Kupperlux 4 | Cu + Ni (2 – 3%) + Si (0.5 – 1%) + Cr (0.05 – 0.25%) |
HRB 85 – 95 (≈ HRC 18 – 22) |
10 – 20% | 45 – 55% | High mechanical strength, excellent wear and fatigue resistance, moderate conductivity. | Robotic welding tips, switch contacts, machinery components, wear-resistant electrical parts. |
| Model | Composition | Hardness (HRB/HRC) |
Elongation (%) |
Conductivity (% IACS) |
Key Characteristics | Application |
|---|---|---|---|---|---|---|
| Kupperlux-25 | Cu + Be (1.8 – 2.0%) |
HRC 38 – 44 (≈ HRB 105) |
8 – 20% | 20 – 25% | Ultra-high strength (up to 1100 MPa), excellent fatigue, wear, and spring properties. | Precision molds, injection dies, connector springs, aerospace tooling. |
| Kupperlux-50 | Cu + Ni (1.0 – 2.0%) + Be (0.4 – 0.6%) |
HRC 32 – 38 (≈ HRB 100) |
10 – 20% | 35 – 45% | Balanced conductivity and strength with good heat resistance and stability. | Electronic terminals, robotic arms, molds, welding fixtures, connectors. |
| Kupperlux-51 | Cu + Co (0.4 – 1.0%) + Ni (1.4 – 2.2%) + Be (0.4 – 0.7%) |
HRC 34 – 40 (≈ HRB 105) |
10 – 18% | 30 – 40% | Cobalt–Nickel Beryllium Copper with extreme durability, wear resistance, and high-temperature strength. | Die-casting inserts, robotic grippers, aerospace dies, high-load connectors, mold bases. |
Our Copper Alloy series allows you to receive the full-service offerings for manufacturers and fabricators
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Optometrist Specialist
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