• 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
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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: Classification, uses and manufacturers of graphite electrodes
Classification of graphite electrodes:(1) common power graphite electrode (RP), (2) high power graphite electrode (HP), (3) quasi ultra high power graphite electrode (SHP), (4) ultra high power graphite electrode (UHP) Note: poly carbon classification method
Q: What is the role of the Pt electrode? What is the difference between the graphite electrode and the graphite electrode?
Carbon electrodes, however, are less likely to be less controllable because of their microstructure, or have some effect on the electric field, if they are sensitive signals
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: Why should graphite paper be placed between the heater and the graphite electrode?
Heater design, the common heater has three shapes, cylinder, cup, spiral, the vast majority of the current heater is cylindrical, as shown in figure. The spiral heater has complicated processing technology and has been eliminated. Cup shaped heater for hemispherical crucible, the bottom melt temperature is more uniform, because the processing technology is difficult, already no use. Nowadays, most of them use cylinder heaters. The cylindrical heater is not only easy to process, but also is related to the large number of flat crucible used in the direct drawing single crystal furnace.
Q: Please senior doubts. The graphite electrode is used in the mold cavity In what case is graphite processing taken?
Instead of copper as discharge material.1. Electrode design1 can reduce the number of individual electrodes / can be made into a composite electrode2, it can save the electrode clamp system and save the cost2, the electrode processing1, high speed milling rough processing copper block 3 times2, high-speed milling finishing faster than copper 5 times3. Good machinability4, complex geometric modeling can be realized3, light weight, its density is less than 1/4 of copper1, good thermal stability (without deformation)2 can reduce the number of individual electrodes / can be made into a composite electrode3, without deburring4. The electrode is easy to clamp4 、 electric discharge machining EDM1, roughing, the electrode loss is small2, high work removal rate3 can reduce the number of individual electrodes / can be made into a composite electrode4. No pollution to the environment in the electrolyte5, light weight, its density is less than 1/4 of copper6, excellent thermal stability, the electrode does not change7, the fine graphite electrode can be used to produce high quality workpiece surfaceDifferent grades of graphite materials can be used for processing different workpieces
Q: What's the purpose of the electrode material?When the electrolytic molten state of NaCl is said, what is the use of the graphite electrode and the iron electrode?
1. graphite (two kinds of EDM3 and EDM200)2. copperIn general, graphite electrode for extensive escape material (graphite texture loose, discharge energy is relatively large, removal of materials faster, but face flowers that roughness is relatively large
Q: Can Naiduo high temperature graphite
Graphite cut gasket is from pure graphite plate drilling or cutting and it has good corrosion resistance, high / low temperature, compression elasticity and high strength good, complex geometric gasket circular is widely used in all kinds of pipes, valves, pumps, pressure vessels, heat exchanger, and condenser generator, air compressor, exhaust pipe, refrigerator etc..
Q: Do electroplating experiments, graphite as an electrode, graphite how to pre process to ensure that the coating will not fall, resulting in increased color of the solution
Use a tight filter cloth as an anode pack
Q: What are the factors that affect the electrode wear rate of machine tools?
In the pulse peak voltage, current and pulse width decreased, the electrode loss increase, and the heat produced from the processing of large pulse width, is conducive to the adsorption of copper electrode graphitization induced by carbon, which is commonly referred to as the covering effect".
Q: Excuse me, why does the graphite electrode flake when electrolyzed salt water is used?
The structure of the electrolytic cell is different when the electrolytic cell is constructed with different electrolytes

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