Linghai Hongfeng Carbon Products Co., Ltd.
Main products:RP graphite electrode,HP graphite electrode,UHP graphite electrode,Graphite rod,Carbon electrode
Products
Contact Us
  • Contact Person : Mr. Chen Paul
  • Company Name : Linghai Hongfeng Carbon Products Co., Ltd.
  • Tel : 86-411-15309819603
  • Fax : 86-411-39797160
  • Address : Liaoning,Jinzhou,In The Yard Of Linghai Cuiyan Colton And Gunny Company
  • Country/Region : China
  • Zip : 116023

graphite electrodes for electric arc furnaces

graphite electrodes for electric arc furnaces
Product Detailed
graphite carbon crucible Grade: HP Diameter:250-500mm (10-20 inch). Length:1800mm(+,-100mm) Nipples: 3TPI,4TPI

graphite electrode:

Items

Unit

Nominal Diameter(mm)

250-400

450-500

Specific Resistance (not over)

Electrode Nipple

μΩ.m

6.24.5

6.55.0

Bending Strength (not below)

Electrode Nipple

Mpa

10.5 15.0

10.5 15.0

Elastic Modulus (not over)

Electrode Nipple

Gpa

12.0 16.0

12.0 16.0

Bulk Density (not below)

Electrode Nipple

g/cm3

1.65 1.75

1.65 1.75

CTE(100-600)0C (not over)

Electrode Nipple

10-6/0C

2.0 1.6

2.0 1.6

Ash(not over)

ElectrodeNipple

%

0.30.3

0.30.3

Suggested Current Carrying Capacities of graphite electrode:

Diameter Suggested Current-Carrying Capacities ( A )
mmInchA/cm2
250108000-1300018-25
3001213000-1740017-24
3501417400-2400017-24
4001621000-3100016-24
4501825000-4000015-24
5002030000-4800015-24
    
    

Size of graphite electrode:

DiameterLength 
NominalActual(mm)NominalTolerance
mm inchLow SpotMinMaxmm mm 
25010248251256 1800Max+100Min-100
30012299302307
35014349352357
400164004034091800,2000,2200
45018451454460
500205025055111800,2000.2200
     
      

Certificate of ISO9001:2000

 

Graphite electrodes just after Graphitization: 

Our HP graphite electrodes: 

 

graphite electrodes for electric arc furnaces



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