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Graphite electrode

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 RP Graphite Electrode
Item Classification Unit            Nominal Diameter(mm)
75-200 250-350 400-600
A grade B grade A grade B grade A grade B grade
Electric resistance(≯)
Pole μΩm 8.0 9.0 8.0 9.0 8.0 9.0
Nipple 6.0 6.0 6.0
Bending strength(≮)
Pole Mpa 10.0 9.0 8.0
Nipple 15.0 15.0 15.0
Young's modulus(≯)
Pole Gpa 9.0 9.0 9.0
Nipple 14.0 14.0 14.0
Bulk density(≮)
Pole g/cm3 1.58 1.58 1.58
Nipple 1.72 1.72 1.72
(100℃-600℃) CTE(≯)
Pole x10-6/℃ 2.7 2.7 2.7
Nipple 2.5 2.5 2.5
Ash content(≯) Pole % 0.3 0.3

0.3



HP Graphite Electrode
Item
Classification
Unit
             Nominal Diameter(mm)
HP TYPEⅡHP
200-400 450-500 550-700 350-400 450-600
Electric resistance(≯)
Pole μΩm 6.5 6.5 6.5 6.0 6.0
Nipple 5.0 5.0 5.0 4.8 4.8
Bending strength(≮)
Pole Mpa 10.5 10.0 10.0 10.0 10.0
Nipple 17.0 17.0 17.0 19.0 19.0
Young's modulus(≯)
Pole Gpa 12.0 12.0 12.0 14.0 14.0
Nipple 16.0 16.0 16.0 18.0 18.0
Bulk density(≮)
Pole g/cm3 1.65 1.65 1.65 1.66 1.66
Nipple 1.76 1.76 1.76 1.77 1.77
(100℃-600℃) CTE(≯)
Pole x10-6/℃ 2.4 2.4 2.4 2.2 2.2
Nipple 2.2 2.2 2.2 1.6 1.6
Ash content(≯) Pole % 0.3 0.3 0.3 0.3 0.3
Note:CTE and ash contents are only for reference



 UHP Graphite Electrode
ItemClassification
Classification
Unit
Nominal Diameter(mm)
300-400 450-500 550-600 650-700
Electric resistance(≯)
Pole μΩm 6.0 5.8 5.5 5.0
Nipple 4.8 4.5 4.2 4.0
Bending strength(≮)
Pole Mpa 10.5 10.5 10.0 10.0
Nipple 20.0 20.0 23.0 24.0
Young's modulus(≯)
Pole Gpa 14.0 14.0 14.0 14.0
Nipple 18.0 18.0 22.0 22.0
Bulk density(≮)
Pole g/cm3 1.68 1.68 1.70 1.72
Nipple 1.78 1.78 1.80 1.82
(100℃-600℃) CTE(≯)
Pole x10-6/℃ 1.5 1.5 1.4 1.4
Nipple 1.4 1.4 1.2 1.2
Ash content(≯) Pole % 0.3 0.3 0.3 0.3
Note:CTE and ash contents are only for reference
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