Customized Size Oxygen-Free Copper Rod Low Oxygen Content for Superior Conductivity

Overview of Oxygen-free Copper Rod

Oxygen-free copper rod, or OFCR, refers to a high-purity copper rod produced through refining that removes most of the oxygen and other impurities. OFCR is widely used in electrical and electronic applications due to its outstanding conductivity, corrosion resistance, and mechanical properties. It is a crucial material in manufacturing wires, cables, connectors, and other components that require high conductivity and durability.

 

（Oxygen-free copper rod）

Characteristic of Oxygen-free Copper Rod

High conductivity: The C10200 copper alloy provides excellent conductivity, making it an ideal choice for fabricating high-quality cables and wires.
High thermal conductivity: This copper alloy has high thermal conductivity. Outstanding deterioration resistance: C10200 copper alloy displays excellent rust resistance in a lot of atmospheres, particularly in completely dry atmospheres.
Excellent weldability: As a result of its significantly reduced oxygen material, C10200 is much less susceptible to porosity throughout welding, guaranteeing the bonded joint’s top quality and stamina. for applications such as radiators and heat exchangers that require good heat dissipation.
Good processing performance: Oxygen-free copper can be formed through cold and hot processing without affecting its weldability and workability due to oxygen content.

Parameter table of Oxygen-free Copper Rod

Oxygen-free copper rods have different parameters depending on their specific grades and uses. Here is a general parameter table for oxygen-free copper rods:

Parameter	Typical Value
Chemical Composition	Mainly copper, with oxygen content usually less than 0.002% for high-purity oxygen-free copper, may contain trace amounts of other elements like silver in some cases
Electrical Conductivity	Generally not less than 97% IACS (International Annealed Copper Standard), can reach over 99% in high-quality products
Thermal Conductivity	Approximately 380 – 400 W/(m·K)
Density	About 8.96 g/cm³
Tensile Strength	200 – 300 MPa in the annealed state, can be higher after cold working
Elongation	≥30% in the annealed state
Hardness	40 – 60 HB in the annealed state

 Application of Oxygen-free Copper Rod

Wire and cable: Due to the high conductivity and corrosion resistance of oxygen-free copper rods, they are often used to manufacture high-quality audio and video cables and communication cables. These cables can provide better signal transmission efficiency and more minor signal loss.
Aerospace: The high conductivity and thermal conductivity of oxygen-free copper rods, as well as their excellent processing performance, have made them widely used in the aerospace field, such as in the manufacturing of wires, busbars, etc.
Automotive industry: In the automotive sector, oxygen-free copper rods are used to manufacture key components such as electronic tubes and superconducting magnets to improve the performance and safety of automobiles.
High-fidelity audio equipment: Oxygen-free copper rods are also widely used in manufacturing audio cables and connectors to ensure maximum transmission efficiency and minimal distortion of audio signals, providing a high-quality audio experience.
Semiconductor devices: Superb deterioration resistance: C10200 copper alloy shows excellent rust resistance in a lot of atmospheres, particularly in completely dry settings.
Great weldability: As a result of its very reduced oxygen web content, C10200 is much less susceptible to porosity throughout welding, making sure the bonded joint’s top quality and stamina.

 Oxygen Free Copper Rod used for wires and cables

Production Method of Oxygen-free Copper Rod

Upward Continuous Casting Method

Melting: High-purity copper raw materials are put into a melting furnace and melted at a high temperature. The temperature is usually controlled at around 1150 – 1250°C to ensure complete melting and uniformity of the copper liquid.

Purification: During the melting process, refining agents are added to remove impurities and gases, significantly to reduce the oxygen content. Common refining agents include phosphorus and boron.

Casting: The purified copper liquid is poured into a graphite mold. Through the upward continuous casting machine, the copper liquid solidifies and forms an oxygen-free copper rod under the action of cooling water. The casting speed is generally 0.5 – 1.5 meters per minute.

Downward Continuous Casting Method

Melting and Purification: Similar to the upward continuous casting method, high-purity copper is melted and purified to obtain high-quality copper liquid.

Casting: The copper liquid is poured into a tundish and then flows into a water-cooled copper mold through a nozzle. As the copper liquid solidifies in the mold, the formed copper rod is continuously pulled downward by a traction device. The cooling water plays a key role in quickly solidifying the copper liquid. The pulling speed is usually 0.3 – 1.2 meters per minute.

Horizontal Continuous Casting Method

Melting and Treatment: The raw materials are melted and refined in a melting furnace to get copper liquid with low oxygen content.

Casting: The copper liquid enters a horizontal graphite mold through a launder. The mold is equipped with a cooling device to solidify the copper liquid. The casting machine drives the mold to make reciprocating movements. During this process, the copper rod is continuously cast and extruded horizontally. The casting speed is generally 0.4 – 1.0 meters per minute.

Company Profile

RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.If you are looking for high-quality Oxygen-free Copper Rod, please feel free to contact us or click on the needed products to send an inquiry. 

 

Storage Condition of Oxygen-free Copper Rod

Oxygen-free copper rods must be stored in a dry environment with humidity below 60% to prevent oxidation, as even trace moisture can gradually react with the highly pure copper. Store at temperatures between 10 – 30°C to avoid thermal stress that could affect its properties. Keep them in a clean, dust-free area away from corrosive substances like acids or alkalis. Stack them carefully on racks or pallets to prevent physical damage, and consider wrapping them with anti-rust materials for added protection.

Payment Term

L/C, T/T, Western Union, Paypal, Credit Card etc.

 

 

Shipment Term

By sea, by air, by express, as customers request.

 5 FAQs of Oxygen-free Copper Rod

Q1

How can to ensure the high purity of oxygen-free copper rods meet oxygen-free standards during production?

Re:Ensuring high purity and meeting oxygen-free standards is crucial in producing oxygen-free copper rods. This is usually achieved through the use of refining and purification techniques. The refining process includes electrolytic and pyrometallurgical refining, which can effectively remove impurity elements such as oxygen, sulfur, and other metal impurities from copper. In addition, the selection of raw materials and processing conditions will be strictly controlled during the production process to avoid reintroducing oxygen or other impurities.

 

Q2

What are the mechanical properties of oxygen-free copper rods, and are they suitable for applications that require high tensile strength or fatigue resistance?

Re:Oxygen-free copper poles have outstanding mechanical homes, consisting of high stamina, flexibility, and tiredness resistance. This makes it appropriate for applications that need high tensile toughness or exhaustion resistance. For instance, oxygen-free copper poles are generally made use of in electric and digital areas to make elements such as cables, adapters, and terminals, which need high tensile tension and tiredness resistance.

 

Q3

What are oxygen-free copper rods’ unique advantages or limitations compared to other copper materials?

Re:Oxygen-free copper rods have some unique advantages and limitations compared to other copper materials. Its benefits include high purity, high conductivity, good mechanical properties, and corrosion resistance. These advantages make oxygen-free copper rods widely used in electrical, electronic, communication, and energy fields. However, anaerobic copper rods also have some limitations. Because of its high purity and low impurity content, the cost of oxygen-free copper rods is relatively high.
 

 

Q4

How is the machinability and weldability of oxygen free copper rods, and is it easy to machine into the desired shape and size?

Re:Oxygen-free copper rods have good machinability and weldability, which makes them easy to machine into the desired shape and size. Oxygen-free copper rods can be formed through processing techniques such as cold drawing, rolling, and forging to meet the needs of various applications. Meanwhile, the welding performance of oxygen-free copper rods is superior, and they can be connected through conventional welding methods such as gas welding, TIG welding, and MIG welding.

 

Q5

Will anaerobic copper rods undergo oxidation or performance degradation during long-term use, and how can this process be prevented or slowed down?

Re:During long-term use, oxygen-free copper rods may still undergo oxidation due to exposure to air, resulting in the determination of a copper oxide layer on the surface, which affects their conductivity and appearance. Some measures can be taken to prevent or slow down the oxidation process. Firstly, a protective coating such as varnish, lubricating oil, or antioxidants can be applied to the surface of the oxygen-free copper rod to isolate contact between air and copper. Secondly, oxygen-free copper rods can be regularly cleaned to remove surface oxides and maintain their good conductivity and appearance.