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Type: Diameter75-600mm
Name: Regular power Graphite Electrode
Description: Regular power Graphite Electrode

  Parameters:

 

Technical properties of graphite electrode
1. Physical and chemical index
ltem unit Nominal Diameter(mm)
YB/T4088-2000  Typical Values
Industry Standard
75-130 150-225 250-300 350-550 75-130 150-225 250-300 300-550
Electric Resistivity Electrode μΩ·m ≤9.0 ≤9.0 ≤9.0 ≤9.0 ≤8.0  ≤8.5 ≤8.5 ≤9.0
Nipple ≤8.5 ≤8.5 ≤8.5 ≤8.5 ≤6.5  ≤6.8 ≤7.0 ≤7.0
Bending strength Electrode Mpa ≥9.8 ≥9.8 ≥7.8 ≥6.4 ≥9.8 ≥7.8 ≥7.8 ≥8.0
Nipple ≥13.0 ≥13.0 ≥13.0 ≥13.0 ≥13 ≥13.0 ≥13.0 ≥15.0
Elastic modulus Electrode Gpa ≤9.3 ≤9.3 ≤9.3 ≤9.3 ≤9.3  ≤9.3 ≤9.3 ≤9.0
Nipple ≤14.0 ≤14.0 ≤14.0 ≤14.0 ≤14.0  ≤14.0 ≤14.0 ≤13.0
Bulk density Electrode g/cm3 ≥1.58 ≥1.52 ≥1.52 ≥1.52 ≥1.60  ≥1.56 ≥1.56 ≥1.55 
Nipple ≥1.63 ≥1.63 ≥1.68 ≥1.68 ≥1.70  ≥1.72 ≥1.72 ≥1.70 
Ash Electrode ≤0.5 ≤0.5 ≤0.5 ≤0.5   ≤0.4 ≤0.4  
≤0.4  ≤0.4
Nipple  
 CTE     (100-600)℃ Electrode 10-6/℃ ≤2.9 ≤2.9 ≤2.9 ≤2.9 ≤2.8  ≤2.8 ≤2.8 ≤2.7
Nipple ≤2.7 ≤2.7 ≤2.8 ≤2.8 ≤2.6  ≤2.6 ≤2.6 ≤2.5
 
Current Carrying Capacity And Current Density
Nominal Regular power
diameter
mm inch Current load A Current density A/cm2
75 3 1000-1400 22-31
100 4 1500-2400 19-30
130 5 2200-3400 17-26
150 6 3000-4500 16-25
175 7 35800-5100 16-21
200 8 5000-6900 15-21
225 9 6000-8000 15-20
250 10 7000-10000 15-20
300 12 10000-13000 14-18
350 14 13500-18000 14-18
400 16 18000-23500 14-18
450 18 22000-27000 13-17
500 20 25000-32000 13-16
550 22 32000-40000 13-16
600 24 38000-47000 13-16