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Copper refers to a copper alloy with a high zinc content. Generally speaking, copper alloys with a zinc content between 5% and 45% can be called red copper. The main components of copper are copper and zinc, but other alloying elements such as tin, aluminum, silicon, etc. are usually added. Compared with ordinary brass, copper has higher strength, toughness and corrosion resistance. Due to its good processing performance and beautiful color, red copper is widely used in handicrafts, decorations, musical instruments, building materials and other fields. At the same time, copper also has good electrical and thermal conductivity, so it is also used in the manufacture of electronic components, wires and heat sinks.

What is C1100 copper?

C1100 copper, also known as electrolytic copper, is a high-purity copper alloy. It consists of 99.90% copper with very little impurities. Its main features are excellent electrical conductivity, thermal conductivity and plasticity. C1100 copper is usually used in the manufacture of wires, cables, electrical parts, condensers, heat exchangers, copper pipes, etc. It is also widely used in construction, automotive, aerospace and other fields.

What is the chemical composition of C1100 copper ？

The chemical composition of C1100 copper is pure copper (Cu), and its purity has reached more than 99.90%.

What are the mechanical properties of C1100 copper?

C1100 copper is a material with good mechanical properties. The following are some main mechanical properties of C1100 copper:

Strength: C1100 copper has relatively high tensile strength, and its tensile strength is generally between 215 and 350 megapascals (MPa).

Ductility: C1100 copper has good ductility, that is, it can produce large plastic deformation without breaking when stressed. Its elongation is generally above 30%.

Hardness: The hardness of C1100 copper is relatively low, usually between 50 and 90 (Vickers hardness).

Wear resistance: C1100 copper has good wear resistance and is suitable for some application scenarios that require frequent friction or wear.

Electrical and thermal conductivity: C1100 copper has excellent electrical and thermal conductivity, making it an ideal material for electronics, electrical and heat exchange applications.

It should be noted that the mechanical properties of C1100 copper may vary due to changes in material processing, temperature and other factors. Therefore, in specific applications, it is also necessary to select and adjust according to specific requirements and conditions.

What are the physical properties of C1100 copper?

The physical properties of C1100 copper include the following aspects:

Density: The density of C1100 copper is 8.9 g/cm3, which belongs to medium density metal.

Conductivity: C1100 copper has high conductivity and is one of the excellent conductive materials. Its conductivity is 58.0MS/m (International Unit of Resistivity).

Thermal conductivity: C1100 copper has a very high thermal conductivity of 390W/m·K, which is a relatively high level among metals, and is suitable for heat-conducting devices.

Tensile strength: C1100 copper has a tensile strength of 210 to 250 MPa and exhibits good mechanical strength.

Ductility: C1100 copper has good ductility, its elongation rate is ≥30%, and it can be easily processed into copper products of various shapes.

Hardness: The hardness of C1100 copper is relatively low, which belongs to soft copper. Its Brinell hardness is 45 (HB).

Melting point: The melting point of C1100 copper is 1083 degrees Celsius, so its processing needs to be carried out under high temperature conditions.

Heat Treatment of C1100 Copper

The heat treatment of C1100 copper refers to the thermal processing of the material to improve its mechanical properties and structure. The following are common heat treatment methods for C1100 copper:

Solution annealing: The solution annealing of C1100 red copper is carried out at a temperature of 800°C-900°C to eliminate internal stress and intergranular impurities in the material. Annealed C1100 copper has better plasticity and toughness.

Cold working annealing: Annealing treatment of C1100 copper after cold deformation can further improve its strength and hardness. Cold working annealing is generally carried out in the temperature range of 400°C-600°C.

Activation annealing: immerse cold-processed C1100 copper in sulfuric acid for activation treatment to remove surface oxides and oil stains. This treatment improves the material’s electrical conductivity and corrosion resistance.

Solid solution strengthening: C1100 copper forms a solid solution with other elements at high temperature, which can improve the strength and hardness of the material. Typical solid solution strengthening elements include tin, zinc and germanium.

Specific parameters and conditions for each heat treatment method are optimized based on factors such as application needs and specific material thickness. Before any heat treatment, it is important to know the manufacturer’s recommended heat treatment methods and conditions to ensure that the properties of the material can meet the required requirements.

The use of C1100 copper

C1100 copper is a pure copper alloy with excellent electrical and thermal conductivity. It has good plasticity and weldability, and is widely used in various industrial fields and daily life. Here are some common uses of C1100 copper:

Electronic industry: C1100 red copper is often used in the manufacture of electronic components, integrated circuits, cables, circuit boards and wires, etc. Due to its high conductivity, it can ensure the stability and efficiency of electrical signal transmission.

Manufacturing: C1100 copper is widely used in the manufacture of various mechanical equipment, industrial tools and parts. It can make machine tool guide rails, bearings, turbine blades, etc. In addition, it can also be used to make cooling fins and brake components of automobile cooling systems.

Construction industry: C1100 copper is often used in water pipes, heating and ventilation pipes, roof layout and facade decoration in construction projects. Because of its good corrosion resistance and antibacterial properties, it is widely used in plumbing systems.

Decorations: Due to the good plasticity of C1100 red copper, decorations of various shapes can be easily produced, such as jewelry, sculptures, handicrafts, etc. The high purity of C1100 copper can make fine copper jewelry.

Medical industry: C1100 copper is used in the manufacture of medical equipment and instruments, such as surgical instruments, hospital beds, catheters, etc. It has good antibacterial and corrosion resistance, which helps to improve the safety and durability of medical devices.

In a word, C1100 red copper is widely used in industry and daily life, and its excellent electrical conductivity, thermal conductivity and plasticity make it an ideal material for manufacturing various equipment, appliances and decorations.