HP

Graphite Electrode

Applications

Electrodes in electric arc furnace and ladle refining furnace for steel making.

Electrodes in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum and so on.

 

Programmable properties

Good electrical conductivity

High resistance to thermal shock

High mechanical strength

 

Grades

Regular power (RP)

High power (HP)

Ultra high power (UHP)

 

Typical Sizes and Specifications

 

Specifications			Unit	High- Power
				Ф75-150	Ф200-400	Ф450-600
Specific Resistance	(≤)	Electrode	μΩ.m	7	6.5	6.5
		Nipple		6	5.5	5.5
Bending Strength	(≥)	Electrode	MPa	10.5	10.5	9.8
		Nipple		15	15	15
Elastic Modulus	(≤)	Electrode	GPa	12	12	12
		Nipple		16	16	16
Bulk Density	(≥)	Electrode	g/cm3	1.65	1.65	1.65
		Nipple		1.72	1.72	1.72
C.T.E. (100-600℃)	(≤)	Electrode	10-6 /℃	2.7	2.4	2.4
		Nipple		2.5	2.2	2.2
Ash	(≤)	Electrode Nipple	%	0.3	0.3	0.3