Graphite Electrode For DC Electric Arc Furnace
Products Description
Graphite electrode for DC electric arc furnace
Graphite electrodes are a key component in DC electric arc furnaces (DC EAFs) used in steel and other metals production fields. DC EAFs melt and refine scrap metal, and graphite electrodes play an important part in this process by providing electrical conductivity and generating high temperatures that required for the melting and refining reactions.
Products parameters
Graphite electrode technical parameters
|
Item |
Unit |
RP |
HP |
UHP |
||||
|
≤∅400 |
≥∅450 |
≤∅400 |
≥∅450 |
≤∅400 |
≥∅450 |
|||
|
Electric Resistivity |
Electrode |
μΩ*m |
≤8.5 |
≤9.0 |
≤6.0 |
≤6.5 |
≤5.0 |
≤5.5 |
|
Nipple |
≤6.5 |
≤6.5 |
≤5.5 |
≤5.5 |
≤4.5 |
≤4.5 |
||
|
Transverse Strength |
Electrode |
MPa |
≥8.0 |
≥7.0 |
≥10.5 |
≥10.5 |
≥15.0 |
≥15.0 |
|
Nipple |
≥16.0 |
≥16.0 |
≥20.0 |
≥20.0 |
≥22.0 |
≥22.0 |
||
|
Young’s Modulus |
Electrode |
Gpa |
≤9.3 |
≤12.0 |
≤14.0 |
|||
|
Nipple |
≤14.0 |
≤16.0 |
≤18.0 |
|||||
|
Bulk Density |
Electrode |
g/cm3 |
≥1.54 |
≥1.65 |
≥1.68 |
|||
|
Nipple |
≥1.69 |
≥1.73 |
≥1.76 |
|||||
|
Coefficient of Termal Expansion (100℃﹣600℃) |
Electrode |
100-6/℃ |
≤2.5 |
≤2.0 |
≤1.5 |
|||
|
Nipple |
≤2.0 |
≤1.6 |
≤1.2 |
|||||
|
Ash |
% |
≤0.3 |
≤0.2 |
≤0.2 |
||||
Graphite Electrode Production Process
Applications
Steel production: In steel production industry,graphite electrodes are often used in DC EAFs. The electrodes are used to melt scrap metal, for example,old cars, appliances, and construction materials, and other raw materials to produce molten steel.
Ferroalloy production: Graphite electrodes are used in DC EAFs to produce ferroalloys, too, and which are iron alloys that contain other elements, for instance, manganese, silicon, and chromium. Ferroalloys are used as raw materials while produce steel and other metals.
Packing and Shipping
The DC electric arc furnace cannot function without graphite electrodes. In order to melt and refine raw materials like scrap metal, pig iron, and ferroalloys into finished steel products, they are utilized to transport electrical current through furnaces. High-purity graphite is used to make graphite electrodes, which are normally created in an electric arc furnace. To fit varied furnace sizes and standards, they are available in a range of diameters and lengths. The electrodes are positioned in the furnace and wired to a power supply during the manufacturing of steel. An intense arc is created between the electrode tip and the charge materials as a result of the electric current flowing between the electrodes. The charge materials are melted by the arc's heat, which is subsequently refined.
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