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UHP 500mm Graphite Electrode

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UHP 500mm Graphite Electrode (20 inch)
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Graphite electrode is one of the most important metallurgical products, mainly used as conductive material in electric arc furnace metallurgy production. UHP graphite electrodes are mainly used for steelmaking high-power and ultra-high power electric furnaces.

Graphite electrode Dimension
● Nominal Diameter: 500mm (min 505 mm, max 511 mm)
● Nominal Length: 2100 mm (+100mm,-100mm)
● Nipple: 269 4T4L
● Nipple Diameter: 269.88 mm
● Nipple Length: 457.2 mm
● Typical weight of electrodes: 860kg
● Application: steel melt plant, ladle furnace
● Current Carrying Capacity, (kA): 43-63

UHP500mm Graphite Electrode Physical and Chemical Parameters

UHP700mm Electrodes	Bulk Density	Resistance	Flexual Strength	Young’s Modulue	Thermal Expansion	Ash
Unit	g/cm³	μΩ.M	Mpa	Gpa	10-6/ ℃	%
Electrode	1.65-1.72	4.5-5.8	8.5-11.5	6.0-9.5	1.5	0.3
Nipple	1.73-1.81	3.5-5.0	12.4-20.0	12.0-18.0	1.4	0.3

Advantage
● Withstand large currents, high discharge rate
● Good dimension stability, not easy to deform
● Resistant to cracking & spalling
● High resistance to oxidation and thermal shock
● High mechanical strength, low electrical resistance
● High machining accuracy, good surface finishing