China graphite electrode blocks price per kg made by big machine equipment
 
Graphite Electrode is the best conductive material for electric arc furnace and smelting furnace. High quality needle coke in HP&UHP graphite electrode ensure the electrode application is perfect. It is presently the only available product that has the high levels of electrical conductivity and the capability of sustaining the extremely high levels of heat generated in the demanding environment.

Product Name	China graphite electrode blocks
Material	High quality low ash materials, such as petroleum coke, needle coke and coal pitch
Color	Black
Grade	RP, HD, HP, SHP, UHP
Characteristics	1. Low ash, 2. Compact structure 3. High mechanical strength. 4. Low electric resistance 5. High density 6. Good electrical conductivity 7. High anti-oxidation capability 8. Precise machining accuracy
Used	1. Ladle furnaces 2. Electric arc furnace for steel making industry 3. Yellow phosphorus furnace 4. Industrial silicon furnace or melting copper. 5. Refine steel in ladle furnaces and in other smelting processes

Physical and chemical indexes

Properties		Unit	UHP		HP	RP
Properties		Unit	300-600mm	650-800mm	300-800mm	300-800mm
Electric resistivity	Electrode	μΩm	4.8-5.8	4.6-5.8	5.8-6.6	7.8-8.8
Electric resistivity	Nipple	μΩm	3.8-4.5	3.8-4.5	4.2-5.0	5.0-6.5
Flexural strength	Electrode	Mpa	10.0-14.0	10.0-14.0	10.0-13.0	7.0-12.0
Flexural strength	Nipple	Mpa	20.0-26.0	22.0-26.0	18.0-22.0	15.0-20.0
Young's modulus	Electrode	Gpa	9.0-13.0	10.0-14.0	8.0-12.0	7.0-9.3
Young's modulus	Nipple	Gpa	15.0-18.0	15.0-18.0	14.0-16.0	12.0-14.0
Bulk density	Electrode	≥g/cm3	1.68-1.74	1.70-1.74	1.62-1.66	1.53-1.56
Bulk density	Nipple	≥g/cm3	1.77-1.82	1.78-1.84	1.74-1.80	1.70-1.74
CTE(100-600℃)	Electrode	x10-6/℃	1.1-1.4	1.1-1.4	1.6-1.9	2.2-2.6
CTE(100-600℃)	Nipple	x10-6/℃	0.9-1.2	0.9-1.2	1.1-1.4	2.0-2.5
Ash			0.3	0.3	0.3	0.5

Low Ash HP Grade Graphite Electrode Block For Smelting Steel

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Low Ash HP Grade Graphite Electrode Block For Smelting Steel

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