GRAPHITE ELECTRODE
GRAPHITE ELECTRODE

RP GRAPHITE ELECTRODE

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

Standard for RP Graphite Electrodes and Nipples
Items Name Unit Nominal diameter (mm)
200-300 350-600 780-1400
Specific resistance Electrode μΩ .m 7.5-8.5 7.5-8.5 8.5-10.5
Nipple 6.5-7.0 6.5-7.0 6.5-7.0
Transverse strength Electrode Mpa ≥8.5 ≥7.8 ≥6.0
Nipple ≥13.0 ≥13.0 ≥13.0
Elastic module Electrode Gpa ≤9.3 ≤9.3 ≤12.0
Nipple ≤13.0 ≤13.0 ≤13.0
Ash content Electrode % ≤0.3 ≤0.3 ≤0.3
Nipple ≤0.3 ≤0.3 ≤0.3
Bulk density Electrode g/cm³ 1.55-1.60 1.55-1.60 1.59-1.62
Nipple 1.63-1.68 1.63-1.68 1.65-1.70
C.T.E
(100-600)℃
Electrode 10-6/℃ ≤2.9 ≤2.9 ≤2.9
Nipple ≤2.7 ≤2.8 ≤2.8
Allowable Current of RP Graphite Electrodes
Nominal diameter (mm) Allowable current (A) Current density (A/cm2)
200-300 10000-13000 15-21
350-600 13500-32000 14-19

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