Graphite Electrode

Graphite electrodes are widely used in steel, non-ferrous, silicon and phosphorus melting industry. We are able to supply various products which are with low resistance, high density, anti-oxidation, precise processing etc. We can meet the customer's demands.

Properties of Graphite Electrode
Properties		Unit	Nominal Diameter of Electrode
			HP	UHP	UHP	RP
			12’’-32’’	12’’-24’’	26’’-32’’	12’’-32’’
			Typical Value	Typical Value	Typical Value	Typical Value
Resistivity	Electrode		5.8-6.6	4.8-5.8	4.6-5.8	7.8-8.8
	Nipple		3.5-4.0	3.5-4.0	3.5-4.0	4.0-4.5
Modulus of rupture	Electrode	Mpa	1.0-13.0	10.0-14.0	10.0-14.0	8.0-10.0
	Nipple		20.0-23.0	22.0-26.0	22.0-26.0	19.0-22.0
Young’s Modulus	Electrode	Gpa	8.0-12.0	9.0-13.0	10.0-14.0	7.0-9.3
	Nipple		14.0-16.0	15.0-18.0	15.0-18.0	12.0-14.0
Bulk Density	Electrode	g/cm3	1.64-1.68	1.70-1.74	1.70-1.74	1.53-1.56
	Nipple		1.78-1.80	1.80-1.84	1.80-1.84	1.70-1.74
CTE(100-600℃)	Electrode	10-6/℃	1.6-1.9	1.1-1.4	1.1-1.4	2.2-2.6
	Nipple		1.1-1.4	0.9-1.2	0.9-1.2	2.0-2.5
Ash		%	0.3	0.3	0.3	0.5
Note: The figures given above are typical properties for representative products are available

Physical dimension of Electrode
Inch
Nominial Diameter Inch	Actual Diameter			Nominal Length Tolerance
				60’’	60''	72''	72''	84''	84''	96''	96''	110''	110''
	Max.	Min.	Min. Crust Diameter	Standard	Short	Standard	Short	Standard	Short	Standard	Short	Standard	Short
6’’	154	149	146	±100	-225	±100	-275
8’’	205	197	197
10’’	256	248	248					±125	-275
12’’	307	299	299
14’’	357	349	349							±125	-275
16’’	409	400	400
18’’	460	451	451										-300
20’’	511	502	502
22’’	562	553	553
24’’	613	654	604									+200
26’’	663	654	654									-150
28’’	714	705	705
30’’	765	756	756
32’’	716	807	807

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Graphite Electrode