Graphite Electrode High Power Dia 200x1800mm


Graphite electrode is one of the most important metallurgical products, mainly used as conductive material in electric arc furnace metallurgy production. HP graphite electrode is mainly used for ultra high power electric arc furnaces, ladle furnace with the current density range of 18-25 A/cm2.

Graphite electrode Dimension
● Nominal Diameter: 200 (min 200mm, max 205mm)
● Nominal Length: 1800 mm (+100mm,-100mm)
● Nipple:  122 T4N
● Nipple Diameter: 122.24 mm
● Nipple Length: 177.8 mm

HP200mm Graphite Electrode Physical and Chemical Parameters

 Index UnitYB/T4090 Industry Standard
Typical Value
 
LSR≤Electrode μΩ.M5.0-7.5
Nipple5.0 max
Flexural Strength ≥Electrode Mpa6.0-8.5
Nipple12.5-18.0
Elastic Modulus ≤Electrode Gpa6.5-10.0
Nipple11.5-16.5
Bulk Density ≥Electrode g/cm³1.60-1.72
Nipple1.70
CTE ≤Electrode 10-6/ ℃1.6-2.0
Nipple1.2-1.5
Ash ≤%0.3
Current Carrying CapacityALF  5500-9000

Advantage

● Anti-oxidation treatment for longevity
● High-purity, high-density, strong chemical stability
● Resistant to cracking & spalling
● High resistance to oxidation and thermal shock
● High mechanical strength, low electrical resistance
● High machining accuracy, good surface finishing

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