.

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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