Oxygen-free Copper Rod

Oxygen-free copper rod refers to a copper rod with extremely low oxygen content (typically ≤0.003%), prepared from high-purity electrolytic copper through processes such as vacuum smelting or inert gas protection smelting. It has the following features:
High Electrical Conductivity: Purity ≥99.97%, conductivity ≥100% IACS, suitable for scenarios requiring excellent conductivity.
Superior Workability: Good ductility, can be processed into thin wires, cables, etc., with strong weldability and corrosion resistance.
Low Oxygen Content: Almost free of oxides, avoiding performance degradation caused by oxidation during high-temperature processing of ordinary copper rods.

Product Details

Application Fields
Power Industry: Manufacturing ultra-high voltage cables, transformer winding wires, transmission conductors, etc.Electronics and Electricals: Producing precision electronic components, integrated circuit leads, high-frequency cables, etc.

Special Materials: Used for high-reliability conductive components in aerospace and military industries, as well as raw materials for high-purity alloys.

Production Process
The mainstream process is: electrolytic copper raw material → vacuum smelting (or inert gas protection) → continuous casting and rolling → surface treatment (anti-oxidation) → finished product.
Parameter CategoryCommon Specifications/Parameter Values
Material Standards- China: GB/T 5231-2022 (T1, TU1, TU2, etc., where TU1 and TU2 are oxygen-free copper)
- International: ASTM B187, JIS C1020, etc.
PurityCopper (Cu) ≥99.97%, oxygen (O) ≤0.003%, total impurity content ≤0.03%
Diameter Range- Conventional: φ6.0mm~φ30.0mm
- Customized: φ0.5mm~φ50.0mm (adjusted according to processing requirements)
Electrical Conductivity≥100% IACS (at 20℃)
Mechanical Properties- Tensile strength: ≥200MPa (soft state); ≥300MPa (hard state)
- Elongation: ≥30% (soft state); ≥10% (hard state)
Surface QualitySmooth without burrs, oxide layers, or cracks; anti-oxidation can be enhanced by tin plating, silver plating, etc.
Packaging MethodCoiled packaging (usually 500kg~3000kg per coil), wrapped with moisture-proof paper and steel strips, or customized as required
Implementation Standards- Domestic: GB/T 13808-2013 Copper and Copper Alloy Rods
- Industry standards: JB/T 4670-2013, etc.


Extended Information: Differences Between Oxygen-free Copper Rod and Ordinary Copper Rod

Comparison ItemOxygen-free Copper RodOrdinary Copper Rod (e.g., Electrical Copper Rod)
Oxygen Content≤0.003%0.02%~0.04% (containing copper oxide impurities)
Conductivity≥100% IACS97%~99% IACS
WorkabilityResistant to oxidation during high-temperature processing, suitable for fine drawingProne to oxidation at high temperatures, limited drawing precision
Application ScenariosHigh-end cables, electronic components, military industries, etc.Ordinary wires, cables, general electrical components

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FAQ

Q: Are you trading company or manufacturer ?  

A: We are professional manufacturer with 20 years' experience, and our company also is a very professional a trade company for steel products.We can also provide a wide range of steel products.
Q: Will you delivery the goods on time?  

A: Yes,we promise to deliver on time,indemnity clause in contract terms will work if we couldn't.
Q: Do you provide samples ? Is it free or extra ?  

A: The samples are free,you just need to pay the courier freight.
Q: Do you accept the third party inspection?  

A: Yes, absolutely we accept.
Q: How could you guarantee your products?  

A: Products are manufactured by certified workshops, inspected by professional inspector.
Q: How do we trust your company?  

A: We specialist in steel business for many years, authenticated by SGS,welcome to visit our factory.
Q: What's your advantages?  

A: Our own production lines make the good prices and high quality possible and seasoned workers serve you 7*24 hours.
Q: Can you produce the products according to my own drawings?  

A:Yes,we can produce the products according to your drawings that will be most satisfy you.
Q: What is your Payment?  

A: 100% T/T advance , Western Union (For Small Order)
B: 30% T/T and balance 70% before the shipment
C: 100% Irrevocable LC at sight (For Big Order) 
Q: How long is the Delivery time?  

A: 7~20 working days after confirming the payment.
If the order is urgently, we will push our workshop finish in advance.

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