500mm Graphite Electrodes with Nipples

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The oxidation resistance is good, and the electrode consumption is significantly reduced. Selected high quality raw materials, graphitization at high temperature, low content of impurities


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The oxidation resistance is good, and the electrode consumption is significantly reduced. Selected high quality raw materials, graphitization at high temperature, low content of impurities

The 500mmRP graphite electrode produced by China Hexi Carbon Co., Ltd. has a low resistivity,good conductivity,high thermal conversion rate, high node efficiency, oxidation resistance and low electrode consumption. They use high quality raw materials, with low content of impurities. The comprehensive thermal shock resistance index is excellent, which can adapt to different smelting environments, and the fracture accident rate is low. They are processed by high speed machine tool, with excellent machine stability. General machine tools can also complete the processing of the electrode, but the preparation of the cutting process is different from the copper electrode. They are carbon electrodes, because of the good conductivity of graphite, so in the discharge processing can save a lot of time, which is one of the reasons for using graphite as an electrode. They can be widely used for electric furnace steel making, industrial silicon, quartz glass, corundum and other industries.

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Comparison Technical Specification for RP Graphite Electrode 20″
     
Electrode
Item Unit Supplier Spec
Typical Characteristics of Pole
Nominal Diameter mm 500
Max Diameter mm 511
Min Diameter mm 505
Nominal Length mm 1800-2400
Max Length mm 1900-2500
Min Length mm 1700-2300
Bulk Density g/cm3 1.55-1.63
transverse strength MPa ≥8.5
Young’ Modulus GPa ≤9.3
Specific Resistance µΩm 7.5-8.5
Maximum current density KA/cm2 13-16
Current Carrying Capacity A 25000-32000
(C.T.E) 10-6℃ ≤2.4
ash content % ≤0.3
     
Typical Characteristics of Nipple (4TPI/3TPI) 
Bulk Density g/cm3 ≥1.74
transverse strength MPa ≥16.0
Young’ Modulus GPa ≤13.0 
Specific Resistance µΩm 5.8-6.5
(C.T.E) 10-6℃ ≤2.0
ash content % ≤0.3

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