Ucar Graphite Electrodes for RP Graphite Electrode Used in LF & EAF Furnace

Ucar Graphite Electrodes for RP Graphite Electrode Used in LF & EAF Furnace

Ref Price:: $5.00 - 100.00 / m.t.

Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 10 m.t.

Supply Capability:: 100000 m.t./month

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Packaging & Delivery

Packaging Details:	wooden pallet or your requiement
Delivery Detail:	within two weeks

Descriptions

Item		Unit	Nominal diameter
			YB/T4088-2000		Inner quality standard
			150-300	350-500	200-300	350-500	550-600
Specific resistance	E	µΩ.m	≤10.5	≤10.5	≤8.0	≤9.0	≤9.5
	N	µΩ.m	≤8.5	≤8.5	≤6.0	≤6.5	≤7.0
Bending strgenth	E	Mpa	≥9.8	≥6.4	≥10.0	≥8.0	≥8.0
	N	Mpa	≥13.0	≥13.0	≥14.0	≥14.0	≥14.0
Elastic modulus	E	Gpa	≤9.3	≤9.3	≤10.3	≤10.3	≤10.3
	N	Gpa	≤14.0	≤14.0	≤14.0	≤14.0	≤14.0
Bulk density	E	g/cm3	≥1.52	≥1.52	≥1.58	≥1.60	≥1.60
	N	g/cm3	≥1.68	≥1.68	≥1.70	≥1.70	≥1.70
Ash	E	%	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
	N	%	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
CTE	E	10-6/℃	≤2.9	≤2.9	≤2.8	≤2.8	≤2.8
	N	10-6/℃	≤2.7	≤2.8	≤2.8	≤2.8	≤2.8

FAQ

①How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

Q:The reason why graphite is used as electrode: Graphite has good thermal stabilityThe softening point of copper in 1000 degrees, easily deformed by heat, the melting point of graphite is 3850 + 50 DEG C, the boiling point of 4250 DEG C, even after the ultra high temperature arc ignition, the weight loss is very small, the thermal expansion coefficient is small. The strength of graphite increases with the increase of temperature, and the strength of graphite is doubled at 2000 degrees centigrade. In comparison, the thermal expansion coefficient of graphite material is only 1/30 of copper material.

Q:Are graphite and carbon electrodes the same? What kinds of ore furnaces are used?: The main components of carbon electrodes are graphite, carbon powder and other impurities which are not converted into graphite. The resistivity is higher than that of graphite electrode. These electrodes are mostly used in electric furnace steelmaking, smelting aluminium oxide and other electric arc furnaces.

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 large is the permissible overload current per square millimeter of the graphite electrode cross section?: Overhead wires, radiating the best conditions, allowed the current largest. The insulated wire in the house is laid in the wall, which has the worst heat release conditions and the smaller permissible current, so there are different safety currents.

Q:What are the factors affecting the service life of graphite electrode in ultra high power arc furnace?: The ultra high power graphite electrodes produced in China are 300mm, 350mm, 400mm, 450mm, 550mm, 600mm, 650mm, 500mm and 700mm, with lengths of 1600mm, 1800mm, 2000mm, 2200mm, 2400mm and 2700mm.

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:Graphitized anode, cathode and graphite electrode, respectively How can one differentiate and use differently?: Compared with other materials of graphite anode plate has high temperature resistance, good electrical and thermal conductivity, easy machining, good chemical stability, acid and alkali resistance, low ash content; for electrolytic solution, preparation of chlorine, caustic soda, salt alkali electrolytic solution preparation; application such as graphite anode plate can be used as conductive anode electrolytic salt solution preparation of caustic soda. Graphite anode plate can be used as conductive anode in electroplating industry. It is an ideal material for electroplating. It can make electroplating products have the advantages of smoothness, delicacy, wear resistance, corrosion resistance, high brightness and not easy to change color.

Q:Graphite electrode specifications, graphite electrode manufacturers which good?: Graphite electrode to Qingdao Chenyang graphite Co., quality assurance, trustworthy, we have been purchasing graphite electrode for them, you can ask them,

Q:National standard for graphite electrodes: The national standard normal power graphite electrode graphite electrode: the standard name standard classification number Q51 Standard No. YB/T 4088-2000 for YB/T 4088-2000 YB/T 4088-1992 2000/12/1, instead of the execution time of 0:00:00 release time 2000/7/26 0:00:00 adoption situation

Q:What is the striking electrode in the die making? Where is the technical point?: Technology of EDM should master the characteristics of electric discharge between tool electrode and workpiece is not in direct contact, but there is a gap, the gap is generally between 0.05~0.3mm, sometimes may reach 0.5mm or more, full of fluid, processing by high voltage pulsed discharge, the discharge of corrosion the workpiece.

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