• High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking System 1
  • High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking System 2
  • High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking System 3
High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking

High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking

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Dalian
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
1000 m.t./month

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Welcome! As a professional intermediary, we bridge the gap between overseas buyers and China's splendid manufacturers. In collaboration with major Graphite Electrode manufacturers with 7 years of expertise in the industry, we specialize in supplying top-of-the-line graphite electrodes tailored to meet the diverse needs of our customers. Our commitment to excellence and innovation ensures that our products deliver exceptional performance and reliability across various industrial applications. Explore our range of graphite electrodes and discover why businesses worldwide trust CNBM International Corporation for their electrode needs.

Product Display

Discover our graphite electrode products through three captivating images. From electrodes to nipples and packed electrodes, each showcases our commitment to quality and precision engineering.


Graphite Electrodes


Electrode Nipples


Packaged Electrodes

Designation of Graphite Electrode Sections

High-Performance Graphite Electrodes: RP, HP, UHP for Electric Arc Furnace Steelmaking

  1. Electrode End Face

  2. Electrode Threaded Fixing Hole

  3. Electrode Body Trunk

  4. Electrode Caution Cordon

  5. Tapered Electrode Nipple

  6. Connector Pin Hole

Technical Specification Charts of Graphite Electrodes

Physical and Chemical Properties of Graphite Electrodes Across Different Specifications
Test IndicatorTest ObjectUnit of MeasureRegular Power - RPHigh Density - HDHigh Power - HPUltra High Power - UHP
Ø250-400Ø450-600Ø250-400Ø450-600Ø250-400Ø450-600Ø300-400Ø450-500Ø550-650Ø700-800
Resistivity, max.ElectrodeμΩm9.09.07.07.06.56.56.26.26.05.8
NippleμΩm8.08.06.36.35.55.55.05.04.24.0
Flexural Strength, min.ElectrodeMPa8.07.010.09.010.510.010.510.511.011.0
NippleMPa15.015.017.017.018.019.020.020.022.023.0
Elastic Modulus, max.ElectrodeGPa9.39.312.012.014.014.014.014.014.014.0
NippleGPa14.014.016.016.016.016.020.020.022.022.0
Bulk Density, min.Electrodeg/cm31.541.541.641.641.651.651.671.661.661.68
Nippleg/cm31.721.721.741.741.741.741.751.761.781.78
CTE(100-600℃), max.Electrode10-6/℃2.92.92.62.62.42.41.51.51.51.5
Nipple10-6/℃2.72.72.32.32.02.01.41.41.31.3
Ash Content, max.Electrode%0.50.50.50.50.50.50.50.50.50.5
Nipple%0.50.50.50.50.50.50.50.50.50.5
Current Load for Different Graphite Electrode Specifications
Nominal DiameterPermissible Current Load (A)
Regular Power - RPHigh Density - HDHigh Power - HPUltra High Power - UHP
Ø2507,000-10,0008,000-12,0008,000-13,000-
Ø30010,000-13,00011,000-16,00013,000-17,40015,000-22,000
Ø35013,500-18,00015,000-22,00017,400-24,00020,000-30,000
Ø40018,000-23,50020,000-28,00021,000-31,00025,000-40,000
Ø45022,000-27,00024,000-34,00025,000-40,00032,000-45,000
Ø50025,000-32,00028,000-42,00030,000-48,00038,000-55,000
Ø55028,000-34,00031,000-48,00034,000-53,00045,000-65,000
Ø60030,000-36,00034,000-54,00038,000-58,00050,000-75,000
Ø65032,000-39,000-41,000-65,00060,000-85,000
Ø70034,000-42,000-45,000-72,00070,000-120,000
The Length, Diameter and Allowable Deviation of Graphite Electrodes
Nominal Diameter (mm)Actual Diameter (mm)Nominal Length (mm)Actual Length (mm)
Max.Min.Min. (Rough Spot Removed)ToleranceShorter Lengths
Ø250256252248RP/HP 1600/1800/2000±100-275
Ø300307302299RP/HP 1600/1800/2000/2200
UHP Ø300 1600/1800
UHP Ø350 1600/1800/2000
UHP Ø(400-450) 1600/1800/2000/2200
Ø350358352349
Ø400409403400
Ø450460454451
Ø5005115055021800/2000/2200/2400
Ø5505625565531800/2000/2200/2400/2700
Ø600613607604RP/HP 2000/2200/2400/2700
UHP 2200/2400/2700/3000
Ø650663659656±100/±150
Ø700714710707

Note: A "rough spot" in the context of graphite electrodes refers to an irregular or uneven surface area on the electrode, which can negatively affect its performance during use, particularly in electric arc furnaces. These spots can lead to increased wear, inconsistent electrical conductivity, and may contribute to the formation of defects in the molten steel.

How to safely store graphite electrodes?

  1. Do not stack electrodes and connectors directly on the ground. Instead, place them on wooden or metal racks to prevent damage or contamination from soil. Do not discard the packaging of unused electrodes temporarily, as the packaging effectively prevents dust and debris from settling on the electrode surface or threads.

  2. Graphite electrodes should be stored neatly in the warehouse, with both sides of the electrode stacks leveled to prevent sliding. The stacking height of the electrodes should generally not exceed 2 meters and preferably not exceed 4 layers.

  3. Graphite electrodes should be protected from rainwater and moisture. If the electrodes become damp, they should be dried before use to prevent cracking, spalling, and increased oxidation consumption during the steelmaking process.

  4. Do not store electrode nipple joints in high-temperature environments to prevent the melting of joint bolts due to excessively high temperatures.

Last Updated: 2024-09-25

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 high purity graphite component is put into the furnace, and nitrogen and methane are produced under vacuum high temperature. Then graphite is shown to produce 10% coating.
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: The difference between graphite electrode and graphite rod
The two materials are different.Graphite electrode is mainly in the petroleum coke and needle coke, coal tar pitch as binder, calcination, mixing, kneading, pressing, baking and graphitization, and made the processing machine, is a conductor in an electric arc furnace to form arc release electricity for heating and melting of the charge, according to the quality index level, can is divided into ordinary power, high power and ultra high power.
Q: Electrolytic water solution, two electrodes are graphite electrode, the negative electrode can produce large amounts of hydrogen, the anode does not produce half of oxygen, and only a small amount of it?
Anodic iron is directly oxidized without oxygen generation
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: The graphite electrode made by the machining center adopts cooling method, which is water cooled, oil cooled and blow cold. Which is good?
Of course you do is oil cold if not toxic cooling but although graphite powder lubrication seems to have damage to the CNC, that someone with a water-cooled graphite again even with saponification liquid will rust and easy cleaning
Q: After vacuum melting of quartz crucible, there are three graphite electrode rods. What's the adjustment?
Or did you adjust the electrode when it was installed? There are two electrode distance, two away, causing melting after different lengths.
Q: Carbon graphite electrode and what is the difference?
The material is composed of carbon carbon, but without graphite, after molding sintering temperature is only more than 1000 degrees, no graphitization.
Q: 800KVA and 12500 EAF transformer data graphite electrode furnace.
The graphite electrode must be roasted by a cathode or anode baking furnace, and a large amount of harmful gas and dust will be produced during the roasting process.
Q: How about graphite electrode high-temperature oxidation resistant coating?
The utilization ratio of graphite energy can reach more than 95%. Many kinds of antioxidant paint, it is recommended to directly find their technicians, you can give professional advice, according to the actual situation, the reasonable use of high-temperature oxidation resistant paint.

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