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UHP Graphite electrode

Properties Unit Nominal Diameter Of Electrode

UHP HP RP

300-700mm 200-700mm 100-1000mm

  Typical Value Typical Value Typical Value Typical Value

Resistivity Electrode 4.8-5.8 4.6-5.8 5.8-6.6 7.8-8.8

Nipple 3.8-4.5 3.8-4.5 4.2-5.0 5.0-6.5

Modulus of rupture Electrode MPa 10.0-14.0 10.0-14.0 10.0-13.0 7.0-12.0

Nipple 20.0-26.0 20.0-26.0 18.0-22.0 15.0-20.0

Young's modulus Electrode GPa 9.0-13.0 10.0-14.0 8.0-12.0 7.0-9.3

Nipple 15.0-18.0 15.0-18.0 14.0-16.0 12.0-14.0

Balk density Electrode g/cm³ 1.68-1.74 1.70-1.74 1.62-1.66 1.53-1.56

Nipple 1.77-1.82 1.78-1.84 1.74-1.80 1.70-1.74

CTE(100-600℃) Electrode 10-6℃ 1.1-1.4 1.1-1.4 1.6-1.9 2.2-2.6

Nipple 0.9-1.2 0.9-1.2 1.1-1.4 2.0-2.5

Ash % 0.3 0.3 0.3 0.5