SHP Graphite Electrode
Needle coke and pitch are mixed as per proportion 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 SHP Graphite Electrodes
|
Items |
Classification |
Unit |
Nominal Diameter (mm) |
|
|
300-400 |
450-600 |
|||
|
Resistivity |
Electrode |
μΩm ≤ |
6.5 |
6.5 |
|
Nipple |
5.5 |
5.5 |
||
|
Bending Strength |
Electrode |
Mpa ≥ |
10.0 |
10.0 |
|
Nipple |
18.0 |
18.0 |
||
|
Young’s Modulus |
Electrode |
Gpa ≤ |
14.0 |
14.0 |
|
Nipple |
18.0 |
18.0 |
||
|
Bulk Density |
Electrode |
g/cm3 ≥ |
1.64 |
1.63 |
|
Nipple |
1.72 |
1.72 |
||
|
CTE（100℃-600℃） |
Electrode |
×10-6/℃ ≤ |
2.2 |
2.2 |
|
Nipple |
1.6 |
1.6 |
||
|
Ash Content |
Electrode |
% ≤ |
0.3 |
0.3 |
|
Nipple |
||||
Note: Ash Content is only for reference.
Recommended current load of SHP Graphite Electrodes
|
Grade |
Nominal Dia. |
Allowable current A |
Current density A/cm2 |
|
SHP electrode |
300mm |
14000～20000 |
19～28 |
|
350mm |
18000～26000 |
18～27 |
|
|
400mm |
23000～33000 |
18～26 |
|
|
450mm |
27000～42000 |
17～26 |
|
|
500mm |
34000～52000 |
17～26 |
|
|
550mm |
40000～60000 |
16～24 |
|
|
600mm |
45000～70000 |
16～24 |
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