Graphite electrode Home > Graphite electrode
Graphite electrode with cylinder-shaped nipples
  • Graphite electrode with cylinder-shaped nipples
  • Graphite electrode with cylinder-shaped nipples
  • Graphite electrode with cylinder-shaped nipples

Graphite electrode with cylinder-shaped nipples

The graphite electrode is mainly made of petroleum coke and needle coke as raw materials and coal tar pitch as binder through calcination, batching, kneading, pressing, roasting, graphitization and machining.
INQUIRY
Graphite electrode is mainly made of petroleum coke and needle coke as raw materials and coal tar pitch as binder through
calcination, batching, kneading, pressing, baking(roasting), graphitization and machining.

Graphite electrode is a conductor which releases electric energy in the form of electric arc to heat and melt the furnace charge in electric arc furnace.
According to its quality index, graphite electrode can be divided into Regular power electrode, high power electrode and ultra-high power electrode.

 
Item Category Unit                              Diameter(mm)
75--200 250--350 400--500                   
Top grade     First grade Top grade First grade Top Grade First  grade
A B A B A B
Resistivity (≤) body MΩ.m 8.0 9.0 8.0 9.0 8.0 9.0
joint 7.5 7.5 7.5
Flexural strength(≥) body Mpa 10.0 10.0 8.0
joint 15.0 15.0 15.0
Elastic modulus(≤) body Gpa 12.0 12.0 12.5
joint 14.0 14.0 14.0
Bulk density(≥) body G/cm³ 1.58 1.58 1.58
joint 1.68 1.68 1.68
Thermal expansion coefficient(≤)(100-600)CET body ×10-6/℃ 2.7 2.7 2.7
joint 2.5 2.5 2.5
Ash value(≤)     0.3 0.3 0.3
Note: The ash content and the coefficient of thermal expansion are reference numbers.
 



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