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Specification of HP Graphite Electrodes
|
Items |
Classification |
Unit |
（mm）Nominal Diameter |
||||
|
HP Graphite Electrode |
Type II HP Graphite Electrode |
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|
200～400 |
450～500 |
550～700 |
350～400 |
450～500 |
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|
Specific Resistance |
Pole |
μΩm |
7. 0 |
7. 0 |
7. 0 |
6. 5 |
6. 5 |
|
Nipple |
6. 0 |
6. 0 |
5. 8 |
5. 5 |
5. 5 |
||
|
Bending Strength |
Pole |
Mpa |
10. 5 |
10. 0 |
10. 0 |
10. 0 |
10. 0 |
|
Nipple |
16. 0 |
16. 0 |
16. 0 |
18. 0 |
18. 0 |
||
|
Young's Modulus |
Pole |
Gpa |
12. 0 |
12. 0 |
12. 0 |
14. 0 |
14. 0 |
|
Nipple |
16. 0 |
16. 0 |
16. 0 |
18. 0 |
18. 0 |
||
|
Bulk Density |
Pole |
g/cm3 |
1. 62 |
1. 62 |
1. 62 |
1. 64 |
1. 63 |
|
Nipple |
1. 72 |
1. 72 |
1. 72 |
1. 72 |
1. 72 |
||
|
CTE（100℃ - 600℃） |
Pole |
×10 - 6/℃ |
2. 4 |
2. 4 |
2. 4 |
2. 2 |
2. 2 |
|
Nipple |
2. 2 |
2. 2 |
2. 2 |
1. 6 |
1. 6 |
||
|
Ash Content |
% |
0. 3 |
0. 3 |
0. 3 |
0. 3 |
0. 3 |
|
Note: Ash Content is only for reference.
Graphite electrode is a major conduction material used in the electric smelting industry, which has the properties of superior electric conductivity, thermal conductivity, high strength, oxidation and corrosion resistance in high temperature. Graphite electrode is typically used in the EAF smelting steel, the submerged - arch furnace producing ferroalloy, pure silicon, phosphor, matte, calcium carbide, etc. Nowadays, graphite electrode has been essential part of the raw material industry.
