C19160 Leaded Nickel Copper is a high-strength, high-conductivity copper alloy with added nickel and lead, offering excellent resistance to corrosion, particularly in seawater, and good machinability, making it suitable for applications such as marine engineering components, heat exchangers, and electrical connectors.
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Struggling with tool wear when machining complex electrical contacts? C19160 (UNS C19160) solves it. This leaded nickel copper alloy blends 1.5-2.5% Ni and 0.3-0.7% Pb with pure copper, delivering 50% IACS conductivity while cutting machining time by 40%. Ideal for high-volume electrical components where precision can't wait.
Product Parameters
(ASTM B151 / UNS C19160 / RWMA Class 11)
| Property | Value | Competitor (C18000) |
|---|---|---|
| Composition | 97% Cu, 2% Ni, 0.5% Pb | 98.5% Cu, 0.6% Cr, 0.7% Si |
| Tensile Strength | 290 MPa | 650 MPa |
| Electrical Conductivity | 50% IACS | 80% IACS |
| Machinability | 90% (Free-cutting brass=100%) | 65% |
| Hardness | 65 HRB | 82 HRB |
| Thermal Conductivity | 180 W/m·K | 320 W/m·K |
Standards: ASTM B151. SAE J461. RoHS-compliant
3 Key Advantages
Turbocharged Machining
90% machinability rating – cuts CNC time for EV fuse blocks by 40% vs. beryllium copper.
Cost Efficiency
$28/kg – halves production costs for Siemens' relay terminals vs. specialty alloys.
Tool Longevity
Extends endmill life 3x in Bosch's connector plants (ISO 8688-1 tested).
Critical Features
Free-Machining: Lead particles reduce friction during turning/milling.
Stress Corrosion Resistance: Withstands industrial atmospheres (ASTM G48).
Non-Sparking: ATEX-certified for explosive environments like oil refineries.
Solderable: Low-melt solders bond instantly – perfect for PCB terminals.
Production Process
1 Induction Melting
Pure Cu + Ni/Pb melted at 1.100°C under argon shield.
2 Continuous Casting
Extruded into rods/strips with ±0.1mm tolerance.
3 Cold Drawing
Work-hardening boosts strength for terminal stamping.
4 Stress Relief
300°C annealing prevents springback in stamped contacts.
Applications
| Industry | Components | Real-World Use |
|---|---|---|
| Electronics | Fuse clips, relay terminals | ABB circuit breakers (10M+ units) |
| Automotive | EV charge port connectors | Tesla Supercharger v4 terminals |
| Energy | Solar inverter busbars | Sungrow 320kW inverters |
| Industrial | Valve stems, hydraulic fittings | Parker Hannifin pneumatic systems |
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