Type: Diameter75-600mm
Name: lmpregated
Description: lmpregated Graphite Electrode

 

Technical properties of graphite electrode 1. Physical and chemical index ltem unit Nominal Diameter(mm) YB/T4088-2000  Typical Values Industry Standard 75-225 250-350 400-550 75-130 150-225 250-300 300-550 Electric Resistivity Electrode μΩ·m ≤9.0 ≤9.0 ≤9.0 ≤7.5　 ≤7.5 ≤8.0 ≤8.5 Nipple ≤7.5 ≤7.5 ≤7.5 ≤6.5　 ≤6.5 ≤7.0 ≤7.0 Bending strength Electrode Mpa ≥10.0 ≥9.0 ≥8.0 ≥10.0 ≥10.0 ≥9.0 ≥8.5 Nipple ≥13.0 ≥13.0 ≥13.0 ≥13.0 ≥13.0 ≥13.0 ≥14.0 Elastic modulus Electrode Gpa ≤12.0 ≤12.0 ≤12.0 ≤9.3　 ≤9.3 ≤12.0 ≤12.0 Nipple ≤14.0 ≤14.0 ≤14.0 ≤14.0　 ≤14.0 ≤14.0 ≤14.0 Bulk density Electrode g/cm3 ≥1.58 ≥1.58 ≥1.58 ≥1.70　 ≥1.69 ≥1.65 ≤1.62 Nipple ≥1.68 ≥1.68 ≥1.68 ≥1.72　 ≥1.72 ≥1.72 ≤1.72 Ash Electrode % ≤0.3   ≤0.3 ≤0.3 ≤0.3 ≤0.3 ≤0.3 ≤0.3 Nipple  CTE     (100-600)℃ Electrode 10-6/℃ ≤2.7 ≤2.7 ≤2.7 ≤2.6　 ≤2.6 ≤2.7 ≤2.7 Nipple ≤2.5 ≤2.5 ≤2.5 ≤2.4　 ≤2.4 ≤2.5 ≤2.5 　 Current Carrying Capacity And Current Density Nominal lmpregnated electrode diameter mm inch Current load A Current density A/cm2 75 3 1300-2000 29-45 100 4 1800-3000 22-37 130 5 2800-4200 21-31 150 6 4000-5000 22-28 175 7 3900-6800 16-28 200 8 4800-9000 15-28 225 9 6400-9700 16-24 250 10 8000-12000 16-24 300 12 11000-16000 15-22 350 14 15000-22000 15-22 400 16 18000-23500 15-22 450 18 20000-28000 15-21 500 20 24000-34000 13-20