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Graphite Electrodes

The graphite electrode will be a high-temperature graphite conductive material, the core of which consists of petroleum coke, tar coke as a filler, coal tar as a binder. We produce graphite electrodes and nipples to them. Graphite electrodes are characterized by low resistance, good electrical conductivity and thermal conductivity, high resistance to oxidation and thermal shock, high mechanical strength, etc.According to its high quality and low quality, it can be divided into ordinary power graphite electrode, high power graphite electrode and ultra high power graphite electrode.


Technical Characteristics of Graphite Electrode

Name Unit Nominal Diameter
UHP Ultra-High-Power HP Superstrong RP Conventional Power
≤Φ400 ≥Φ450 ≤Φ400 ≥Φ450 ≤Φ300 ≥Φ350
Resistivity Electrode ΜΩ · m ≤5.5 ≤6.5 ≤8.5
Nipple ≤4.5 ≤5.5 ≤6.5
Flexural Strength Electrode MPa ≥11.0 ≥10.5 ≥9.8 ≥8.5 ≥7.0
Nipple ≥20.0 ≥16.0 ≥15.0
Elastic Modulus Electrode GPa ≤14.0 ≤12.0 ≤9.3
Nipple ≤18.0 ≤16.0 ≤14.0
Density Electrode g / cm3 ≥1.66 ≥1.67 ≥1.62 1.6 ≥1.53 ≥1.52
Nipple ≥1.75 ≥1.73 ≥1.69
Coefficient Of Thermal Expansion Electrode 10-6 / ℃ ≤1.5 ≤2.4 ≤2.9
Nipple ≤1.4 ≤2.2 ≤2.8
ASH % ≤0.3 ≤0.3 ≤0.5
Note: 1.Koeffitsient ash content and thermal expansion as the reference index, the coefficient of thermal expansion (100 ℃ ~ 600 ℃), Custom manufacturing.

graphite electrode 1

The Length & Diameter & Permissible Deviation of Graphite Electrode

graphite electrode 2
Graphite Electrode Application

1.mainly used for electric arc furnace (EAF) steel production
2.for ore-thermal furnace; for the resistance furnace
3.for the production of profiled graphite products
4.for the production of shaped graphite products
5.Also can used For a resistor furnace
6.For the production of graphite shaped products

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