Cut-resistant tungsten wire does have different purity levels. The purity of tungsten wire has an important impact on its performance. High-purity tungsten wire usually has better physical and chemical stability, as well as higher melting point, hardness and strength. The following is a detailed analysis of the purity grades of cut-resistant tungsten wire:
- Main purity grades
High-purity tungsten wire:
The purity usually reaches above 99.95%, or even higher. High-purity tungsten wire has excellent electrical conductivity, thermal conductivity and corrosion resistance, and is suitable for applications that require high precision and stability, such as electron beam welding, plasma cutting and other fields.
Medium-purity tungsten wire:
The purity is between 99.0% and 99.95%. Although the performance of medium-purity tungsten wire is slightly inferior to that of high-purity tungsten wire, the price is more affordable and is suitable for some occasions where the purity requirements are not particularly high, such as ordinary cutting, welding, etc.
Low-purity tungsten wire:
The purity is less than 99.0%. The performance of low-purity tungsten wire is relatively poor, and it may contain more impurities and defects, so its application range is relatively limited.
- The influence of purity on performance
Conductivity: As the purity increases, the conductivity of tungsten wire will also increase. High-purity tungsten wire has better electrical conductivity and can transfer current and heat more effectively.
Corrosion resistance: High-purity tungsten wire has better corrosion resistance and can resist corrosion from a variety of chemicals, thereby extending its service life.
Hardness and strength: Purity also has a certain effect on the hardness and strength of tungsten wire. Generally speaking, the higher the purity of tungsten wire, the higher the hardness and strength, but this also depends on the specific manufacturing process and heat treatment process.
Toughness: Although tungsten wire has high hardness, it has relatively poor toughness and is easy to break. However, by optimizing the manufacturing process and adding suitable alloying elements, the toughness of tungsten wire can be improved to a certain extent.
- Application scenarios
Cut-resistant tungsten wires of different purities are suitable for different application scenarios:
High-purity tungsten wire: Suitable for applications that require high precision and stability, such as cutting and welding tasks in medical devices and aerospace fields, as well as high-end manufacturing fields such as electron beam welding and plasma cutting.
Medium-purity tungsten wire: Suitable for some occasions where purity requirements are not particularly high, such as ordinary cutting, welding and other industrial applications.
Low-purity tungsten wire: Due to its relatively poor performance and relatively limited application range, it may only be suitable for some occasions where material performance requirements are not high.
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