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Type: Diameter300-600mm
Name: High Power
Description: High Power Garphite Electrode

  Parameters:

 

Technical properties of HP garphite electrode
1. Physical and chemical index
ltem unit Nominal Diameter(mm)
YB/T4090-2000 Typical Values
Industry Standard
200-400 450-550 300-400 450-550
Electric Resistivity Electrode μΩ·m ≤7 ≤7.5 5.0-6.6 5.4-6.8
Nipple ≤6.5 ≤6.5 4.0-5.0 4.0-5.0
Bending strength Electrode Mpa ≥10.5 ≥9.8 ≥11.0 ≥11.0
Nipple ≥14.0 ≥14.0 ≥16.0 ≥16.0
Elastic modulus Electrode Gpa ≤12.0 ≤12.0 ≤11.0 ≤11.0
Nipple ≤16.0 ≤16.0 ≤15.0 ≤15.0
Bulk density Electrode g/cm3 ≥1.60 ≥1.60 1.63-1.70 1.63-1.70
Nipple ≥1.70 ≥1.70 1.73-1.80 1.73-1.80
Ash Electrode % ≤0.3 ≤0.3 ≤0.3 ≤0.3
Nipple

CET     100-600℃

Electrode 10-6/℃ ≤2.4 ≤2.4 1.8-2.2 1.8-2.2
Nipple ≤2.2 ≤2.2 1.5-1.8 1.5-1.8
 
. Recommended current carrying capacity
  YB/T4089-2000 BSTS-HP
Nominal Diameter Current Carrying Capacity Current Density Electrical arc furnace ladle Refining furnace
  Current Carrying Capacity Current Density Current Carrying Capacity Current Density
 
in mm A A/cm2 A A/cm2 A A/cm2
12 300 13000-17400 17-24 13000-17500 18-25 15000-21000 21-29
14 350 17400-24000 17-24 17500-24500 18-25 20000-28000 21-29
16 400 21000-31000 16-24 21500-32000 17-25 24000-35000 19-28
18 450 25000-40000 15-24 26000-40500 16-25 29000-45000 18-28
20 500 30000-48000 15-24 32000-50000 16-25 34000-54000 17-27
22 550 35000-55000 14-22 37000-57000 15-23 40000-62000 16-25