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HP 450mm Graphite Electrode

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HP 450mm Graphite Electrode (18 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. 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: 457mm (min 454mm, max 460mm)
● Nominal Length: 1800/2100/2400 mm (+100mm,-100mm)
● Nipple: 241 4TPI Long Type
● Nipple Diameter: 241.3 mm
● Nipple Length: 355.6 mm

Physical and Chemical Parameters of HP450mm Graphite Electrode

Item		Unit	YB/T4090 Industry Standard
			Typical Value

LSR≤	Electrode	μΩ.M	6.5
	Nipple		5.0
Flexural Strength ≥	Electrode	Mpa	10.0
	Nipple		18.0
Elastic Modulus ≤	Electrode	Gpa	14.0
	Nipple		18.0
Bulk Density ≥	Electrode	g/cm³	1.66
	Nipple		1.75
CTE ≤	Electrode	10-6/ ℃	1.5
	Nipple		1.4
Ash ≤		%	0.3
Current Carrying Capacity		A	25000-40000

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