HP 400mm graphite electrode

Short Description:

HP 400mm graphite electrode is mainly made of petroleum coke and needle coke. The allowable current is 21000-31000A, and the current density can be 16-24A/cm². Generally used for high-power electric arc furnace steelmaking.


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The high-power graphite electrode is composed of high-quality petroleum coke, needle coke, coal pitch and other raw materials accounting for 66.88% of the cost. The production cycle exceeds 50 days, and the ultra-high power is up to 65 days. The production process includes calcination, batching, kneading, molding, baking, dipping, secondary baking, graphitization and processing.Hexi Carbon is a manufacturing company that produces, sells, exports and provides a wide range of high-power graphite electrodes. The high-power graphite electrodes produced by our company have models with diameters from 350mm to 700mm for you to choose, and other graphite electrode models you need can also be customized.

Comparison Technical Specification for HP Graphite Electrode 16″
     
Electrode
Item Unit Supplier Spec
Typical Characteristics of Pole
Nominal Diameter mm 400
Max Diameter mm 409
Min Diameter mm 403
Nominal Length mm 1800-2400
Max Length mm 1900-2500
Min Length mm 1700-2300
Bulk Density g/cm3 1.68-1.73
transverse strength MPa ≥11.0
Young’ Modulus GPa ≤12.0
Specific Resistance µΩm 5.2-6.5
Maximum current density KA/cm2 16-24
Current Carrying Capacity A 21000-31000
(C.T.E) 10-6℃ ≤2.0
ash content % ≤0.2
     
Typical Characteristics of Nipple (4TPI/3TPI) 
Bulk Density g/cm3 1.78-1.83
transverse strength MPa ≥20.0
Young’ Modulus GPa ≤15.0 
Specific Resistance µΩm 3.5-4.5
(C.T.E) 10-6℃ ≤1.8
ash content % ≤0.2

 

 

 

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