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

  Parameters:

 

Technical properties of UHP garphite electrode
1. Physical and chemical index
ltem unit Nominal Diameter(mm)
YB/T4090-2000 Typical Values
Industry Standard
300-400 450-550 300-400 450-550
Electric Resistivity Electrode μΩ·m ≤6.2 ≤6.5 4.6-6.0 4.8-6.2
Nipple ≤5.5 ≤5.5 3.0-4.5 3.5-4.5
Bending strength Electrode Mpa ≥10.5 ≥10.0 ≥11.0 ≥11.0
Nipple ≥16.0 ≥16.0 ≥18.0 ≥18.0
Elastic modulus Electrode Gpa ≤14.0 ≤14.0 ≤13.0 ≤13.0
Nipple ≤18.0 ≤18.0 ≤17.0 ≤17.0
Bulk density Electrode g/cm3 ≥1.65 ≥1.64 1.66-1.72 1.65-1.72
Nipple ≥1.72 ≥1.70 1.75-1.82 1.75-1.82
Ash Electrode % ≤0.3 ≤0.3 ≤0.3 ≤0.3
Nipple
CET    (100-600℃ Electrode 10-6/℃ ≤1.5 ≤1.5 1.2-1.4 1.2-1.4
Nipple ≤1.4 ≤1.4 1.1-1.3 1.1-1.3
 
2. Recommended current carrying capacity
  YB/T4090-2000 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
14 350 20000-30000 20-30 22000-31000 22-32 24000-33000 25-34
16 400 25000-40000 19-30 28000-41000 22-32 31000-44000 24-34
18 450 32000-45000 19-27 33000-46000 20-28 36000-49000 22-30
20 500 38000-55000 18-27 38000-56000 19-28 42000-60000 21-30
22 550 42000-62000 17-25 45000-65000 18-26 50000-70000 20-28