China Graphite Electrode for EAF Furnace with High and Stable Quality

China Graphite Electrode for EAF Furnace with High and Stable Quality System 1

China Graphite Electrode for EAF Furnace with High and Stable Quality

Ref Price:

Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 1000 m.t./month

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Graphite Electrode With Specifications Details

High Quality Graphite Electrode For EAF Furnace

Packaging Details:

1: Wooden crates with steel straps; wooden crates treated with "IPPC" label

2: standard export fumigated wooden box with steel strip fixed outside

3: In wooden case, each nipple must be packed in cardboard box.

Each electrode and nipple to preset at one end. The head of the preset nipple shall be covered by cardboard cap supported by wooden plate from both ends to avoid damage to the threads during transportation

Delivery Detail: 15-45 days after confirming the contract

Production Description:

Graphite electrode is made from the domestic first petroleum coke and high quality needle coke and widely used in the electric arc furnaces for production of alloy steels, metal and other nonmetallic materials, etc. The graphite electrodes include regular power, high power, super high power, ultra high power and square electrode. The range of diameters covers from 200mm to 700mm. Our products own the following characteristics: low electric resistance, good electric and thermal conductivity, high oxidation resistance, greater resistance to thermal and mechanical shock, high mechanical strength, high machining accuracy.

Physical and chemical index

Item		Unit	Nominal Diameter(mm)
			YB/T4088-2000 Industry Standard		Typical Values
			300-400	450-550	350-550
Resistance	Electrode	ohm	≤6.2	≤6.5	4.6-6.2
Resistance	Nipple	ohm	≤5.5	≤5.5	3.5-4.5
Bending Strength	Electrode	Mpa	≥10.5	≥10.0	≥11.0
Bending Strength	Nipple	Mpa	≥16.0	≥16.0	≥18.0
Elastic Modulus	Electrode	Gpa	≤14.0	≤14.0	≤13.0
Elastic Modulus	Nipple	Gpa	≤18.0	≤18.0	≤17.0
Density	Electrode	g/cm3	≥1.65	≥1.64	1.65-1.72
Density	Nipple	g/cm3	≥1.72	≥1.70	1.75-1.82
Ash content	Electrode	%	≤0.3	≤0.3	≤0.3
Ash content	Nipple	%	≤0.3	≤0.3	≤0.3
CTE(100-600)	Electrode	10-6/C	≤1.5	≤1.5	1.20-1.40
CTE(100-600)	Nipple	10-6/C	≤1.4	≤1.4	1.10-1.30

Graphite Electrode for EAF Furnace with High and Stable Quality

Q:What is the reason that the current cannot be increased when the graphite electrode is used for anode electrolysis?Add calcium chloride and sodium bicarbonate into electrolytic water: Because in the process of electrolysis of water in cathode electron generated hydroxyl, the alkaline solution increased. But with the hydroxyl reaction of sodium carbonate and sodium bicarbonate, carbonate and calcium ions exist at the same time, must produce the precipitation of calcium carbonate, the ion in the solution is reduced, thereby conductive resistance increases. Thus weakened over time current cannot be raised

Q:The difference between graphite electrode and graphite rod: Graphite rod for non metal products, as carbon arc gouging cutting process in an essential pre welding cutting supplies, is composed of carbon and graphite with appropriate adhesive, through the extrusion, the temperature of 2200 DEG C after baking rotary plating a layer made from copper, high temperature resistance, good electrical conductivity, is not easy fracture, suitable for metal cutting into required shape.

Q:I remember the more lively metal, the electron?: C is a salt solution of copper metal because copper is first reduced to a single element on a graphite electrode.Moreover, the addition of dilute sulfuric acid has a H2 emission, then a H of the previous metal.

Q:Graphitized anode, cathode and graphite electrode, respectively How can one differentiate and use differently?: In an electrolytic cell, the current from a class called graphite anode plate into the electrolyte electrolysis industry, the anode is made of plate shape, so called graphite anode plate, widely used in electroplating, wastewater treatment, industrial anti-corrosion equipment or special materials.

Q:What kind of asphalt is better for natural graphite coating?: The graphite electrode includes: (1) ordinary power graphite electrode. Allows the use of current density below 17A / cm 2 graphite electrode, mainly used for steelmaking, smelting silicon, refining yellow phosphorus, such as ordinary power furnace. (2) oxidation resistance coating graphite electrode. A graphite electrode coated with an antioxidant protective layer is applied to form a protective layer that is conductive and resistant to oxidation at high temperature, thereby reducing electrode consumption during steelmaking. (3) high power graphite electrode. A graphite electrode with a current density of 18 ~ 25A / cm 2 is allowed to be used as a high power arc furnace for steelmaking. (4) ultra high power graphite electrode. Permits use of graphite electrodes with current densities greater than 25A / cm 2. Mainly used in ultra high power steelmaking arc furnace.

Q:What are the structures of pyrolytic graphite electrodes? What are their properties and applications? We hope that some details will not be found: The graphite part is called pyrolytic graphite. Stronger than ordinary graphite, strong oxidation resistance.

Q:What's the use of carbon?: Common power graphite electrode. Allows the use of current density of less than 17A/ cm 2 graphite electrode, mainly used for steelmaking, smelting silicon, yellow phosphorus and other ordinary power furnace.

Q:Can Naiduo high temperature graphite: Graphite gasket medium: hot water, steam, oil, acid, alkali, ammonia, hydrogen, organic solvents, hydrocarbons, cryogenic liquids, etc..Maximum use pressure of graphite gasket: 30MPa.Service temperature of graphite gasket: -200~650

Q:Why use platinum ferroalloy instead of iron as electrode?: Its surface properties must comply with the characteristics of the additives so that they can be dispersed evenly.

Q:Can graphite be used as an electrode for electrolysis of silver in silver nitrate?: If it is molten, it can be made out of silverFor solution, only AgNO3+H2O== electrolysis ==Ag+HNO3+O2 is analyzedWhen the HNO3 concentration is enough, it will continue to react with Ag.... So you can't get Ag elements.

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