HP Graphite Electrode - Leading CNBM China Manufacturer

HP Graphite Electrode - Leading CNBM China Manufacturer System 1

HP Graphite Electrode - Leading CNBM China Manufacturer

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 0 m.t.

Supply Capability:: 100000 m.t./month

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Packaging & Delivery

Packaging Detai	WOODEN CRATES
Delivery Detail:	BASE ON THE QUANTITY OF ORDER

Specifications

graphite electrode
for arc furnace,ladle furnace steelmaking
HS no.8545110000,IEC product standard,ISO9001:2008
nipples:4TPI

Items		Unit	Nominal Diameter(mm)
Items		Unit	250-400	450
Specific Resistance (not over)	Electrode Nipple	μΩ.m	6.5 5.0	7.0 5.5
Bending Strength (not below)	Electrode Nipple	Mpa	10.0 14.0	10.0 14.0
Elastic Modulus (not over)	Electrode Nipple	Gpa	12.0 14.0	12.0 14.0
Bulk Density (not below)	Electrode Nipple	g/cm3	1.64 1.74	1.62 1.74
CTE(100-600)0C (not over)	Electrode Nipple	10-6/0C	2.7 2.5	2.7 2.5
Ash(not over)	Electrode Nipple	%	0.3 0.3	0.3 0.3

ITEM	Unit	UHP		HP		RP
ITEM	Unit	350-450mm	500-700mm	350-450mm	500-700mm	350-450mm	500-700mm
Bulk Density	g/cm³	1.65-1.73	1.65-1.74	1.62-1.72	1.62-1.72	1.54-1.61	1.54-1.61
Specific Resistivity	μΩM	4.2-6.0	4.5-5.8	5.5-6.8	5.6-7.0	7.0-9.0	7.0-9.5
Flexural Strength	Mpa	11.0-15.0	10.0-14.0	10.5-14.5	10.0-13.5	8.0-11.0	7.0-10.0
Elastic Modulus	Gpa	8.5-11.0		8.0-12.0		6.0-9.3
CTE (100-600)°C	10^-6/C	1.30-1.45		1.65-1.95		1.85-2.25
ASH	%	0.1-0.3		0.1-0.3		0.1-0.3

Size

Diameter					Length
Nominal		Actual(mm)			Nominal	Tolerance
mm	inch	Low Spot	Min	Max	mm	mm
250	10	248	251	256	1600 1800	Max+100 Min-100
300	12	299	302	307
350	14	349	352	357
400	16	400	403	409	1600,1800, 2000,2200
450	18	451	454	460	1600,1800, 2000,2200

Product Description

Graphite Electrode is mainly usde for steel-making in electric arc furnace, Ore-smelting Electric furnace and electric resistance furnace. Graphite electrode conduct electric current into the furnace. Electric current produces arc in the smelting

district in the electric furnace, when the temperature increase to about 2000 degree centigrade, raw material begin smelting and products manufactured.A series of graphite electrode is applicable to the common furnace and high power furnace with high pressure and short arc.

Picture

HP Graphite Electrode CNBM China Biggest Supplier

Q: Does the silicon carbide heat plant require a fine structure graphite electrode? What kind of graphite products do you need?: But because the silicon carbide is too hard, it is difficult to machining, good workability, such as non special requirements, using graphite instead of silicon carbide, instead of the effect is not good, but can use a silicon carbide, easy processing, small life than silicon carbide.

Q: What is the graphite furnace electrode with a diameter of 400?: The variety and specifications of graphite electrodes used in modern EAF steelmaking are mainly determined by the technical parameters of the steelmaking furnace.

Q: What is the role of the Pt electrode? What is the difference between the graphite electrode and the graphite electrode?: In the electrochemical process, the electrode should not affect the reaction on the working electrode, so platinum and graphite are often chosen

Q: How can hydrogen be produced by electrolysis of sodium hydroxide with graphite as an electrode?: Because there is no hydrogen ions in the molten state of sodium hydroxide, sodium hydroxide and the onlyThis reaction should have occurred,Na+ + e=Na4OH-- 4e=O2+H2O

Q: The production of one ton of steel required graphite electrode: Can not generally say, a ton of steel production consumes much of graphite electrode.

Q: Why is the production of one ton of ultra high power graphite electrode requires 1.05 tons of coke?: After calcined to eliminate ash and volatile part of the points in this process will be a lot of weight loss, in the process of crushing mixing in process of baking or graphite in high temperature heat treatment, another part of the impurities were excluded, so the raw material is higher than the rate of finished products.

Q: How much does a graphite electrode cost about a ton?: Electrode is divided into ordinary power motor, high power electrode, ultra high power electrode, the gap between the price is still relatively large

Q: What are the factors that affect the electrode wear rate of machine tools?: Effect of peak pulse current on electrode wear. The peak current has a great influence on electrode wear, but the curves are very different due to the different materials of the electrode and the workpiece. In the copper electrode machining steel, general peak current, electrode loss is also large, but also have a great relationship with the pulse width, so in practice, we should choose different peak current of different area according to the data processing technology of power supply and discharge pulse width, can make the processing speed is high, and the electrode loss small.

Q: Graphitized coke, graphite, broken, mixed up, how to export?: Graphite fossil oil coke is the best smelting carburizing agent. In the steel-making industry, to produce good steel, there must be good raw materials, including good carburizing agent, and the graphitization of petroleum coke is the best carburizing agent.

Q: I used 12V direct current, graphite electrode electrolysis sodium sulfide solution, the anode produced a large number of black material, this is why ah?: The actual electrolysis of hydrogen sulfide, which produces no black, or impurities that are absorbed by the anode, is graphite, because the dots explain the loose particles that are absorbed on the surface

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