Natural Graphite Block Flake Graphene Stainless Steel Road Petroleum Coke Graphite Electrode

Product Description

Natural Graphite Block Flake Graphene Stainless Steel Road Petroleum Coke Graphite Electrode
What is Graphite electrode ?
Graphite electrode refers to a kind of high-temperature graphite conductive material made of petroleum coke and asphalt coke as aggregate and coal asphalt as binder through raw material calcination, crushing and grinding, batching, mixing, molding, roasting, impregnation, graphitization and mechanical processing, called artificial graphite electrode (referred to as graphite electrode), which is different from natural graphite electrode prepared by natural graphite as raw material
Graphite electrode production characteristic
(1) Long production cycle. The production cycle of ordinary power graphite electrodes is about 45 days, the production cycle of ultra-high power graphite electrodes is more than 70 days, and the production cycle of graphite electrode joints requiring multiple impregnations is longer.
(2) High energy consumption. The production of 1t ordinary power graphite electrodes requires the consumption of about 6000kW·h of electric energy, thousands of cubic meters of gas or natural gas, and about 1t of metallurgical coke particles and metallurgical coke powder.
(3) Many production processes. The production process includes raw material calcination, crushing and grinding, batching, mixing, molding, roasting, impregnation, graphitization and machining. Its production requires many special machinery and equipment and special structure of the kiln, the construction investment is large, the investment payback period is long.
(4) A certain amount of dust and harmful gases are generated in the production process, and it is necessary to take sound ventilation dust reduction and environmental protection measures to eliminate harmful gases.
Graphite electrode Application
(1) For electric arc steelmaking furnace
(2) For mineral heating electric furnace
(3) For resistance furnaces
(4) For the preparation of special-shaped graphite products
Graphite electrode Specification:

Resistance (μΩ.m)	5.5
Apparent Density (g/cm³ )	>1.68
Flexural Strength (N/m2)	8-12 Mpa
Length	1600~2400mm
Thermal Expansion	1.5 - 2.8 X10-6 / (100-600 )
ASH	0.2% Max
Nipple	3TPI/4TPI/4TPIL
Raw Material	Needle Petroleum Coke
Application	Steel Making\Smelting Steel

More Graphite electrode Technical Specifaication:

Item		Unit	RP		HP		UHP
			250-400	450-800	300-400	450-700	300-400	450-700
Electric Resistivity	Electrode	μΩ.m	7.5-8.6	7.5-8.8	5.5-6.8	5.5-7.0	4.6-6.0	4.8-6.2
	Nipple		4.5-5.5		4.0-5.0		3.5-4.5
Bending Strength	Electrode	Mpa	≥8.0		≥11.0		≥11.0
	Nipple		≥15.0		≥16.0		≥18.0
Elastic Modulus	Electrode	Gpa	≤9.0		≤11.0		≤13.0
	Nipple		≤13.0		≤14.0		≤15.0
Bulk Density	Electrode	g/cm3	1.55-1.65		1.63-1.73		1.65-1.75
	Nipple		1.70-1.75		1.73-1.80		1.75-1.82
Ash	Electrode	%	≤0.3
	Nipple
CTE(100-600)ºC	Electrode	10-6/ºC	2.00-2.50		1.80-2.00		1.30-1.50
	Nipple		1.50-1.80		1.50-1.80		1.20-1.40

Graphite electrode Current Carrying Capacity

Nomina diameter		RP		HP		UHP
		Current Carrying Capacity	Current Density	Current Carrying Capacity	Current Density	Current Carrying Capacity	Current Density
in	mm	A	A/cm2	A	A/cm2	A	A/cm2
12	300	10000-13000	14-18	13000-17400	17-24	15000-22000	20-30
14	350	13500-18000	14-18	17400-24000	17-24	20000-30000	20-30
16	400	18000-23500	14-18	21000-31000	16-24	25000-40000	19-30
18	450	22000-27000	13-17	25000-40000	15-24	32000-45000	19-27
20	500	25000-32000	13-16	30000-48000	15-24	38000-55000	18-27
22	550	32000-40000	13-16	35000-55000	14-22	42000-64000	17-26
24	600	35000-41000	13-15	41000-61000	14-21	50000-73000	17-25
28	700	39000-48000	10-12	55000-82000	14-21	67000-99000	17-25
32	800	43000-54000	8-10	/	/	/	/

Graphite electrode Picture

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