GRAPHITE ELECTRODE
GRAPHITE ELECTRODE

HP GRAPHITE ELECTRODE

From:Sincerity Carbon Co., Ltd  Author:Sincerity Carbon  Tags:Sincerity Carbon

Standard for HP Graphite Electrodes and Nipples
Items Name Unit Nominal diameter (mm)
200-300 350-600
Specific resistance Electrode μΩ .m 5.2-6.5 5.5-6.8
Nipple 4.8-5.2 4.8-5.0
Transverse strength Electrode MPa ≥11.0 ≥11
Nipple ≥16.0 ≥16.0
Elastic module Electrode GPa ≤11.0 ≤11.0
Nipple ≤15.0 ≤15.0
Ash content Electrode % ≤0.3 ≤0.3
Nipple ≤0.3 ≤0.3
Bulk density Electrode g/cm³ 1.64-1.70 1.63-1.70
Nipple 1.73-1.79 1.73-1.79
C.T.E
(100-600)℃
Electrode 10-6/℃ ≤2.4 ≤2.4
Nipple ≤2.2 ≤2.2
Allowable Current of HP Graphite Electrodes
Nominal diameter (mm) Allowable current (A) Current density (A/cm2)
200-300 13000-17400 17-24
350-600 17400-58000 15-23

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