Oxygen-free Copper Tube

Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of oxygen-free copper tube in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount oxygen-free copper tube for sale here from our factory. Customized orders are welcome.

Product description：

    Good electrical and thermal conductivity, corrosion resistance and processing properties. Impurities containing low electrical and thermal conductivity are small, and trace oxygen has little effect on electrical conductivity, thermal conductivity and processing properties, but it is easy to cause "hydrogen disease" and is not easy to process (annealing, welding, etc.) in high temperature (>370℃) reducing atmosphere and use.

High Conductivity
When it comes to conductivity, oxygen-free copper features an average conductivity of 102% along with a guaranteed value of 101% as per IACS. Thermal conductivity also ranges from 386 to 394 W/m°C.

Improved Corrosion and Softening Resistance
Unlike standard copper, oxygen-free copper's higher purity provides increased corrosion resistance. It also exhibits resistance to softening, meaning it can operate successfully at temperatures of up to 105°C for as long as 20 to 25 years. In addition, it has a high melting point of around 1083°C (1981°F).

Higher Density
If you require metal with greater density, oxygen-free copper is also beneficial in this area. This metal boasts a density of 8.89-8.94 g/cm3 or 0.321-0.323 lb/in3.

Optimal Workability
Oxygen-free copper is extremely brazeable, and solderable. C10100 copper is fabricated at temperatures as high as 760 to 871°C (1400 to 1600°F), and it is excellent for both hot and cold working. Annealing of this grade is also performed at temperatures between 371 to 649°C (700 to 1200°F).

Other properties of oxygen-free copper include low volatility under high vacuum, invulnerability to hydrogen embrittlement, and high impact strength

Q&A:

What is oxygen-free copper used for?

It is typically used for structural and thermal applications where the copper material will be subject to temperatures high enough to cause hydrogen embrittlement or more exactly steam embrittlement. Examples include welding/brazing rods and heat exchanger tubing.

Why is oxygen-free copper more conductive?

The higher the purity of any copper product, the better the corrosion resistance, the higher the electrical conductivity, and less heat is produced while conducting electricity. As the purest copper product possible, C101 Oxygen Free Copper provides the best results of any copper products

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