UHP Graphite Electrode
The production process for UHP grade:
Needle coke and pitch 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 UHP Graphite Electrodes
|
Items |
Classification |
Unit |
Nominal Diameter (mm) |
|||
|
250-400 |
450-500 |
550-650 |
700-800 |
|||
|
Resistivity |
Electrode |
μΩm ≤ |
6.2 |
6.3 |
6.0 |
5.8 |
|
Nipple |
5.3 |
5.3 |
4.5 |
4.3 |
||
|
Bending Strength |
Electrode |
Mpa ≥ |
10.5 |
10.5 |
10.0 |
10.0 |
|
Nipple |
20.0 |
20.0 |
22.0 |
23.0 |
||
|
Young’s Modulus |
Electrode |
Gpa ≤ |
14.0 |
14.0 |
14.0 |
14.0 |
|
Nipple |
20.0 |
20.0 |
22.0 |
22.0 |
||
|
Bulk Density |
Electrode |
g/cm3 ≥ |
1.67 |
1.66 |
1.66 |
1.68 |
|
Nipple |
1.74 |
1.75 |
1.78 |
1.78 |
||
|
CTE（100℃-600℃） |
Electrode |
×10-6/℃ ≤ |
1.5 |
1.5 |
1.5 |
1.5 |
|
Nipple |
1.4 |
1.4 |
1.3 |
1.3 |
||
|
Ash Content |
Electrode |
% ≤ |
0.5 |
0.5 |
0.5 |
0.5 |
|
Nipple |
||||||
Note: Ash Content is only for reference.
Recommended current load of UHP Graphite Electrodes
Grade
Nominal Dia.
Allowable current A
Current density A/cm2
UHP electrode
AC
DC
AC
DC
300mm
15000～22000
20～30
350mm
20000～30000
-
20～30
-
400mm
25000～40000
-
19～30
-
450mm
32000～45000
-
19～27
-
500mm
38000～55000
-
18～27
-
550mm
45000～65000
49000～78000
18～27
20～32
600mm
50000～75000
58000～93000
18～26
20～32
650mm
60000～85000
60000～110000
18～25
20～30
700mm
70000～120000
79000～130000
18～30
20～30
Related Products
SHP Graphite Electrode
Physical & Chemical Properties of SHP Graphite Electrodes...
Carbon Electrode
Carbon electrode are applied for the production of silicon metal as they have peculiar...
Cathode Block
Cathode blocks are critical materials for production of primary aluminium. The blocks must...
