What are the basic characteristics of graphite electrodes?
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Ultra High Power Graphite Electrode Physical and Chemical Index:
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Item
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Nominal diameter mm
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300~400
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450~500
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550~650
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700~800
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Resistivity
μΩ·m ≤ |
Electrode
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6.2
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6.3
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6.0
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5.8
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Connector
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5.3
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5.3
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4.5
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4.3
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Flexural strength MPa ≥
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Electrode
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10.5
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10.5
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10.0
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10.0
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Connector
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20.0
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20.0
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22.0
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23.0
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Elastic Modulus GPa ≤
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Electrode
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14.0
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14.0
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1.66
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14.0
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Connector
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20.0
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20.0
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1.78
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22.0
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Bulk density g/cm3 ≥
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Electrode
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1.67
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1.66
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1.66
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1.68
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Connector
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1.74
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1.75
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1.78
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1.78
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Thermal expansion coefficient 10-6/℃
Room temperature~600℃ ≥ |
Electrode
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1.5
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1.5
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1.5
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1.5
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Connector
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1.4
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1.4
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1.3
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1.3
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Ash % ≤
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0.5
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0.5
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0.5
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0.5
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Graphite electrodes, with their unique physical and chemical properties, play a vital role in modern industry. As an important conductive material, graphite electrodes have the characteristics of high conductivity, high thermal stability, strong chemical stability and easy processing.
First of all, graphite electrodes have high conductivity. Graphite is a good conductor, and its conductivity is second only to metals, and in some aspects it is even better than some metals. This characteristic makes graphite electrodes widely used in the fields of power industry, electronics industry, etc.
Secondly, graphite electrodes have high thermal stability. Graphite has an extremely high melting point and can maintain the stability of its structure and performance in high temperature or even ultra-high temperature environments, which makes graphite electrodes widely used in high temperature industries such as high temperature metallurgy and glass manufacturing.
Furthermore, graphite electrodes have strong chemical stability. Graphite has good corrosion resistance to most acids, alkalis and organic solvents, which makes graphite electrodes widely used in chemical industry, environmental protection industry and other fields.
Finally, graphite electrodes are easy to process. Graphite is soft and easy to cut, carve and shape, which makes graphite electrodes have high flexibility and convenience in the manufacturing process.
