The graphite electrode is made of high-quality petroleum coke, needle coke, coal pitch and other raw materials through calcination, intermediate crushing, screening, dosing, mixing, compression, roasting, high pressuer impregnation, graphitization, machining and other processes, has compact and even structure, good electric conduction and heat-conducting properties, high mechanical strength and strong oxidizatin corrosion resistance at high temperature, is widely usded for arc furnaces and submerged arc furnace to smelt various alloy steel, yellow phosphorus, industry silicon, brown aluminum oxide and other alloy and nonmetal materials.
Graphite electrode(please check form)
Graphite nipple

 

Specification		Specific  Resistance (μΩ.m)		Young's Modulus (Gpa)		Flexural  Srength (Mpa)		Bulk Density (g/cm 3 )		Ash Content (%)	Coefficient of thermal expansion ( 100-600 C)10 -6 1/C
		(max)				(min)				(max)
		Electrode	Nipple	Electrode	Nipple	Electrode	Nipple	Electrode	Nipple		Electrode	Nipple
Regular power	200-350	8.5	7.5	9.3	13.7	9.8	15.0	1.55	1.72	0.3	2.9	2.8
	400-500	8.5	7.5	9.3	13.7	6.4	15.0	1.53	1.72		2.9	2.8
CTL Resistant Oxidation Electrode	200-350	8.0	7.5	9.3	13.7	10.0	15.0	1.56	1.72	0.3	2.9	2.8
	400-500	8.0	7.5	9.3	13.7	7.0	15.0	1.54	1.72		2.9	2.8
High Power	200-500	6.5	5.5	12.0	16.0	12.0	18.0	1.63	1.74	0.2	2.4	2.2
Supper High Power	250-500	6.0	4.8	14.0	18.0	13.0	19.0	1.65	1.75	0.2	2.0	1.7
Ultra  High Power	250-500	5.8	4.5	14.0	18.0	14.0	20.0	1.68	1.77	0.2	1.5	1.4