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The products produced by continuous extrusion have smooth surface, denser structure, refined grain, improved electrical conductivity and mechanical properties.
Oxygen-free copper rod products
The chemical composition of oxygen-free copper rod conforms to the national standard of GB/T5231-2012 and grade and chemical composition of processed copper and copper alloy. TUO and TU1 standards are as follows:
| Classification | Code | The name of a shop | Chemical composition mass fraction (%) | |||||||||||
| Cu+Ag | P | Bi | Sb | As | Fe | Ni | Pb | Sn | S | Zn | O | |||
| Minimum value | Maximum value | |||||||||||||
| Oxygen free copper | T10130 | TU0 | 99.97 | 0.002 | 0.001 | 0.002 | 0.002 | 0.004 | 0.002 | 0.003 | 0.002 | 0.004 | 0.003 | 0.001 |
| T10150 | TU1 | 99.97 | 0.002 | 0.001 | 0.002 | 0.002 | 0.004 | 0.002 | 0.003 | 0.002 | 0.004 | 0.003 | 0.002 | |
Other requirements for oxygen-free copper rods shall comply with the relevant provisions in the national standard of "GB/T4423-2007" version, copper and copper alloy drawn rods>.
advantages of oxygen free copper rod:
Oxygen-free copper rod has high purity, excellent thermal conductivity, thermal workability and good weldability, easy to weld, soft (hard) brazing, gas shielded cast arc welding, gas shielded metal arc welding, its oxygen fuel gas welding performance is good. (Shielded metal arc welding and most resistance welding methods are not recommended), there are no defects such as "hydrogen disease" in a high temperature environment of 850 degrees.
oxygen free copper rod processing performance:
Oxygen-free copper rod has excellent cutting, grinding, turning, cold working and other good characteristics.
use of oxygen free copper rod:
Oxygen-free copper rods are used in electronic appliances, electric vacuum instruments and other parts, and their uses are more extensive.
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