
It is a high-performance copper-zirconium alloy that combines excellent electrical and thermal conductivity with good processability, making it versatile for industrial applications in the electronics, aerospace, automotive, and oil and gas industries.
Typical applications:
It is used for spot welding electrodes and caps, and is particularly suitable for coated sheets. It is also applicable to components of electronic devices.
| UNS | C15000 |
|---|---|
| EN | CuZr (CW120C) |
| JIS | / |
| GB | C15000 (TZr0.15) |
| Cu | Balance% |
| Zr | 0.1 - 0.2% |
| Other | ≤ 0.1% |
| Density (g/cm³) | 8.9 |
|---|---|
| Electrical conductivity (%IACS) | 85 |
| Thermal conductivity (W / m x K) | 367 |
| Coefficient of thermal expansion② (10-6/K) | 17 |
| Modulus of elasticity (GPa) | 129 |
| Cold workability | Excellent |
| Hot workability | Excellent |
| Brazing | Good |
| Resistance welding | Not recommended |
| Machinability rating③ | 20% |
| Temper | Diameter (mm) | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (% min.) |
|---|---|---|---|---|
| TH04 | 5.0≤ Φ ≤ 25 | 420 | 320 | 13 |
| TH04 | 25 < Φ ≤ 42.5 | 380 | 300 | 13 |
| Straight bar | Coil wire | |||||
| Diameter(mm) | Tolerance⑤(mm) | Ovality(mm max.) | Length(mm max.) | Straightness(mm/m max.) | ID(mm) | Weight(kg) |
| 5.0 ≤ Φ ≤ 6.0 | 0.06 | 0.03 | 4000 | 1.0 | 500 | 100 |
| 6.0 < Φ ≤ 10 | 0.10 | 0.05 | 4000 | 1.0 | 500 | 500 |
| 10 < Φ ≤ 20 | 0.16 | 0.08 | 4000 | 1.0 | 800 | 500 |
| 20 < Φ ≤ 25 | 0.18 | 0.09 | 4000 | 1.0 | 1000 | 1000 |
| 25 < Φ ≤ 30 | 0.20 | 0.10 | 4000 | 1.0 | / | / |
| 30 < Φ ≤ 40 | 0.24 | 0.12 | 4000 | 1.0 | / | / |
| 40 < Φ ≤ 50 | 0.30 | 0.15 | 4000 | 1.0 | / | / |
PDF Datasheet | EN PDF Datasheet | VI PDF Datasheet | ZH