Product Categoires
HP Graphite Electrode
It is used in high power smelting furnace and low-load to medium-load ladle furnace.
Allowable Current-Carrying Capacities
|
Nominal |
HP Graphite Electrodes |
||
|
mm |
inch |
Current-Carrying Capacity（A） |
Current Density （A/㎡） |
|
300 |
12 |
13000~17400 |
17~24 |
|
350 |
14 |
17400~24000 |
17~24 |
|
400 |
16 |
21000~31000 |
16~24 |
|
450 |
18 |
25000~40000 |
15~24 |
|
500 |
20 |
30000~48000 |
15~24 |
|
550 |
22 |
37000~57000 |
15~23 |
|
600 |
24 |
44000-67000 |
15~23 |
Physical &Chemical Properties Of Elecrtode And Nipple
|
HP Graphite Electrode |
Unit |
300-400 |
450-550 |
600 |
|||
|
FC |
YB |
FC |
YB |
FC |
|||
|
Specific resistance |
Electrode |
μΩ·m |
≤6.8 |
≤7.0 |
≤7.5 |
≤7.5 |
≤7.5 |
|
Nipple |
≤6.2 |
≤6.5 |
≤6.3 |
≤6.5 |
≤6.3 |
||
|
Transverse stength |
Electrode |
ΜРa |
≥10.5 |
≥10.5 |
≥10.8 |
≥9.8 |
≥8.5 |
|
Nipple |
≥15.0 |
≥14.0 |
≥15.0 |
≥14.0 |
≥17.0 |
||
|
Elastic modulus |
Electrode |
GРa |
≤12.0 |
≤12.0 |
≤12.0 |
≤12.0 |
≤14.0 |
|
Nipple |
≤16.0 |
≤16.0 |
≤16.0 |
≤16.0 |
≤16.0 |
||
|
Bulk Density |
Electrode |
g∕㎝3 |
≥1.68 |
≥1.60 |
≥1.65 |
≥1.60 |
≥1.60 |
|
Nipple |
≥1.74 |
≥1.70 |
≥1.74 |
≥1.70 |
≥1.72 |
||
|
C.T.E （100～600℃） |
Electrode |
10-6∕℃ |
≤2.3 |
≤2.4 |
≤2.3 |
≤2.4 |
≤2.4 |
|
Nipple |
≤2.1 |
≤2.2 |
≤2.1 |
≤2.2 |
≤2.2 |
||
|
Ash content |
% |
≤0.3 |
≤0.3 |
≤0.3 |
≤0.3 |
≤0.3 |
|
