SHP 石墨电极
针状焦与沥青按比例混合成型。然后在烘焙和石墨化过程中进行热处理以形成成品。
SHP石墨电极的物理化学性能
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 |
注:灰分仅供参考。
SHP石墨电极的推荐电流负载
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 |