HP Graphite Electrode
Raw materials are mixed and then molded. Heat treatment is then applied in the baking and graphitization process to form the finished product.
- Product Details
Physical & Chemical Properties of HP Graphite Electrodes
|
Items |
Classification |
Unit |
Nominal Diameter (mm) |
||
|
HP Graphite Electrode |
|||||
|
200-400 |
450-500 |
550-600 |
|||
|
Resistivity |
Electrode |
μΩm ≤ |
7.0 |
7.5 |
7.5 |
|
Nipple |
6.3 |
6.3 |
6.3 |
||
|
Bending Strength |
Electrode |
Mpa ≥ |
10.5 |
10.0 |
8.5 |
|
Nipple |
17.0 |
17.0 |
17.0 |
||
|
Young’s Modulus |
Electrode |
Gpa ≤ |
14.0 |
14.0 |
14.0 |
|
Nipple |
16.0 |
16.0 |
16.0 |
||
|
Bulk Density |
Electrode |
g/cm3 ≥ |
1.60 |
1.60 |
1.60 |
|
Nipple |
1.72 |
1.72 |
1.72 |
||
|
CTE（100℃-600℃） |
Electrode |
×10-6/℃ ≤ |
2.4 |
2.4 |
2.4 |
|
Nipple |
2.2 |
2.2 |
2.2 |
||
|
Ash Content |
Electrode |
% ≤ |
0.5 |
0.5 |
0.5 |
|
Nipple |
|||||
Note: Ash Content is only for reference.
Recommended current load of HP Graphite Electrodes
|
Grade |
Nominal Dia. |
Allowable current A |
Current density A/cm2 |
|
HP electrode |
200mm |
5500～9000 |
18～25 |
|
250mm |
8000～13000 |
18～25 |
|
|
300mm |
13000～17400 |
17～24 |
|
|
350mm |
17400～24000 |
17～24 |
|
|
400mm |
21000～31000 |
16～24 |
|
|
450mm |
25000～40000 |
15～24 |
|
|
500mm |
30000～48000 |
15～24 |
|
|
550mm |
34000～53000 |
14～22 |
|
|
600mm |
38000～58000 |
13～21 |
Related Products
SHP Graphite Electrode
Physical & Chemical Properties of SHP Graphite Electrodes...
Cathode Block
Cathode blocks are critical materials for production of primary aluminium. The blocks must...
Graphite Electrode
Graphite Electrode Soldering Iron
Graphite electrode is nothing more than a sharp...
