
Characteristics:
It is a unique precipitation-hardening alloy containing copper, lead, nickel, and phosphorus. The alloy exhibits a combination of high corrosion resistance, high tensile and yield strengths, excellent electrical conductivity, superior machinability, and resistance to stress relaxation
Typical applications:
It is an ideal material for machined or cold-headed electrical contacts, connector pins, and sockets-especially slotted cylindrical contacts used in coaxial and circular connectors.
| UNS | C19150 |
|---|---|
| Cu | balance |
| Ni | 0.80-1.20% |
| P | 0.15-0.35% |
| Pb | 0.5-1.0% |
| Fe | ≤ 0.05% |
| Sn | ≤ 0.05% |
| Other | ≤ 0.50% |
| Density (g/cm³) | 8.86 |
|---|---|
| Electrical conductivity (%IACS) | 50 |
| Thermal conductivity (W / m x K) | 210 |
| Coefficient of thermal expansion② (10-6/K) | 17.7 |
| Modulus of elasticity (GPa) | 120 |
| Capacity for being cold worked | Good |
| Capacity for being hot formed | Poor |
| Resistance welding | Fair |
| Machinability rating③ | 75% |
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (% min.) | Hardness (HV0.2 min.) |
|---|---|---|---|---|---|
| Ф ≤ 40 | TB00 | 220 | 90 | 35 | / |
| Ф < 5.0 | TL02 | 580 | 480 | 2 | 165 |
| 5.0 ≤ Ф < 6.0 | TL02 | 560 | 460 | 3 | 165 |
| 6.0 ≤ Ф < 10 | TL02 | 540 | 440 | 4 | 160 |
| Straight bar | Coil wire | |||||
| Diameter (mm) | Tolerance⑤ (mm) | Ovality (mm) | Length (mm. max.) | Straightness (mm/m max.) | ID (mm) | Weight (kg) |
| 1.0 ≤ Φ < 3.0 | 0.020 | 0.010 | 2500 | 0.3 | 350-450 | 25-40 |
| 3.0 ≤ Φ < 6.0 | 0.025 | 0.0125 | 3600 | 0.3 | 500-600 | 80-150 |
| 6.0 ≤ Φ < 10 | 0.040 | 0.020 | 3600 | 0.5 | 800-900 | 500-600 |
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