300-500mm HP graphite electrode,HP Graphite Electrode
,,,
Electric resistivity :5.5-6.8
Bending strength: >=10.0
Elastic Modulus:<=13
Bulk density:1.62-1.70
Ash:<=0.3
CTE:1.80-2.20
High power graphite electrodeis a graphite electrode with allowable current density between 18-25A/cm2.HP graphite electrodemainly used in high power steelmaking electric arc furnace.
PhysicalandChemicalIndexofHignPowerGraphiteElectrode: |
||||
Item |
Unit |
HP |
||
300~500 |
550~700 |
|||
ElectricResistivity |
Electrode |
uΩ.m |
||
Nipple |
||||
BendingStrength |
Electrode |
MPa |
≥10.0 |
≥8.5 |
Nipple |
≥18.0 |
|||
ModulusofElasticity |
Electrode |
GPa |
≤13.0 |
|
Nipple |
≤15.0 |
|||
BulkDensity |
Electrode |
g/cm3 |
||
Nipple |
||||
AshContent |
Electrode |
% |
≤0.3 |
|
Nipple |
||||
TheCoefficientofThermalExpansion(CTE) |
Electrode |
10-6/℃ |
||
Nipple |
HighPowerGraphiteElectrodeCurrentCarryingCapacity |
|||
NorminalDiameter |
HP |
||
CurrentCarryingCapacity |
CurrentDensity |
||
inch |
mm |
A |
A/cm2 |
12 |
300 |
13000~17400 |
17~24 |
14 |
350 |
17400~24000 |
17~24 |
16 |
400 |
21000~31000 |
16~24 |
18 |
450 |
25000~40000 |
15~24 |
20 |
500 |
30000~48000 |
15~24 |
22 |
550 |
34000~53000 |
14~22 |
24 |
600 |
38000~58000 |
13~21 |
28 |
700 |
45000~72000 |
12~19 |
32 |
800 |
/ |
/ |
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