Copper (UNS C19400)
Copper C19400 is a high-strength copper alloy that contains iron and phosphorus. It is mainly used for electrical and electronic products, as well as in the automotive and aerospace industries for various applications that require its combination of strength and conductivity.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Copper | 97.0% | —— |
| Iron | 2.1% | 2.6% |
| Lead | —— | 0.03% |
| Phosphorus | 0.015% | 0.15% |
| Zinc | 0.05% | 0.2% |
| Residuals | —— | 0.15% |
The following table provides a list of copper C19400 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 8800 - 8940 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 310 - 630 MPa |
| Tensile Strength (Yield) | 98 - 520 MPa |
| Shear Strength | 45.5 MPa |
| Young’s Modulus (E) | 120 GPa |
| Shear Modulus (G) | 51 GPa |
| Elongation at Break | 10% |
| Poisson’s Ratio (ν) | 0.33 |
| Thermal Properties | Metric |
| Melting Point | 1080 - 1090 °C |
| Thermal Conductivity | 260 W/m·K |
| Specific Heat Capacity (Cp) | 385 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.7×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 3.8×107 S/m |
| Electrical Resistivity | 2.7×10-8 Ω·m |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Copper C19400
| Advantages | Disadvantages |
|---|---|
| High Strength | Toxicity |
| Excellent Conductivity | High Cost |
| Good Machinability | Limited Availability |
| Good Wear Resistance | Weldability |
Applications of Copper C19400
Copper C19400 finds applications in various industries where a combination of high strength, electrical conductivity, and thermal properties is required. Here are some common applications of Copper C19400:
- Electrical Connectors: Copper C19400 is widely used in electrical connectors and terminals due to its excellent electrical conductivity. It ensures efficient transmission of electrical signals in applications such as telecommunications, automotive electronics, aerospace, and industrial equipment.
- Switches and Relays: The high strength and durability of Copper C19400 make it suitable for switches and relays that require reliable operation and long-term performance. Its excellent electrical conductivity helps in efficient switching and control of electrical circuits.
- Springs and Contacts: The combination of high strength, hardness, and good electrical conductivity makes Copper C19400 ideal for springs and contacts in electrical components. These components require both mechanical resilience and efficient electrical transmission.
- Electronic Components: Copper C19400 is used in various electronic components, including connectors, socket contacts, printed circuit boards (PCBs), and IC (Integrated Circuit) packages. Its properties make it suitable for high-speed data transmission, heat dissipation, and stable electrical connections.
- Oil and Gas Industry: Copper C19400 is used in the oil and gas industry for applications such as downhole tool components, wireline equipment, and valve stems. Its high strength and resistance to corrosion make it suitable for harsh environments.
- Aerospace and Defense: Copper C19400 is used in aerospace and defense applications where high strength, thermal stability, and electrical conductivity are crucial. It is employed in connectors, antennas, electronic modules, and other critical components.
- Medical Instruments: Copper C19400 is utilized in medical instruments and devices that require high strength, electrical conductivity, and resistance to corrosion. Examples include surgical tools, dental instruments, and imaging equipment.
- Automotive Industry: Copper C19400 is used in automotive applications, such as connectors, terminals, and sensors. Its properties contribute to reliable electrical connections, efficient signal transmission, and durability in demanding automotive environments.