Products
500mm High Power (HP) Graphite Electrode – Technical Specifications and Application Overview
The 500mm HP graphite electrode is tailored for EAFs over 300 tons. It ensures stable performance under extreme heat and load with high conductivity, strong oxidation resistance, and low thermal expansion—reducing consumption and enhancing steelmaking efficiency.
Description
marker
Basic Description
The 500mm (20-inch) High Power (HP) graphite electrode is designed for heavy-duty ultra-large electric arc furnace (EAF) applications, especially suitable for smelting equipment with a furnace capacity exceeding 300 tons. This electrode is capable of stable operation under current loads ranging from 30,000 to 48,000 amperes. It offers excellent arc performance and electrical conductivity. Additionally, it exhibits low consumption characteristics under high temperature and heavy electrical load conditions.
HP Graphite Electrode Parameters — 500mm
| Item | Unit | Electrode | Nipple |
| Resistivity | μΩ·m | 5.2 ~ 6.5 | 3.5 ~ 4.5 |
| Bending Strength | MPa | ≥ 11.0 | ≥ 22.0 |
| Elastic Modulus | GPa | ≤ 12.0 | ≤ 15.0 |
| Bulk Density | g/cm³ | 1.68 ~ 1.73 | 1.78 ~ 1.83 |
| Thermal Expansion CTE | 10⁻⁶/℃ | ≤ 2.0 | ≤ 1.8 |
| Ash Content | % | ≤ 0.2 | ≤ 0.2 |
| Allowable Current | A | — | 30000–48000 |
| Current Density | A/cm² | — | 15–24 |
| Actual Diameter | mm | Max 511 Min 505 | — |
| Actual Length | mm | 1800 ~ 2400 customizable | — |
| Length Tolerance | mm | ±100 | — |
| Short Length | mm | — | — |
Manufacturing Features
● Four-stage impregnation and baking process significantly increases electrode density, reduces porosity, and enhances oxidation resistance.
● Utilizes high-purity raw materials with maximum ash content of 0.1%, reducing slag formation during smelting.
● Extended graphitization cycle ensures uniform crystal structure and stable performance.
● High needle coke content (approximately 80%) in nipples guarantees excellent conductivity and mechanical strength.
Application Advantages and Performance
● Specifically designed for ultra-large capacity electric arc furnace steelmaking, performing reliably under harsh operating conditions.
● Reduces electrode consumption by approximately 0.5 kg per ton of steel, significantly lowering production costs.
● Outstanding oxidation resistance and low thermal expansion extend electrode life and reduce fracture risk.
Connection System
Equipped with precision-machined HP-grade nipples fabricated using high-density needle coke raw materials and processed with accurate threading technology to ensure secure connections, low contact resistance, and stable arc output.
Summary
The 500mm HP graphite electrode, with its advanced manufacturing techniques and excellent physical properties, is an indispensable core material in ultra-large electric arc furnace steelmaking. Its high current carrying capacity, superior thermal performance, and stable mechanical strength not only guarantee electrode service life and operational safety but also effectively reduce energy consumption and costs in steel production. For steel producers seeking efficiency, environmental friendliness, and cost-effectiveness, this electrode is the ideal solution for sustainable development.
contact us
Related popular products
Graphitized Petroleum Coke (GPC)
GPC is essential in UHP graphite electrode production, steel recarburizing, battery anodes, and aluminum cathodes, offering ultra-low sulfur, high purity, excellent conductivity, and thermal stability for advanced metallurgical and energy industries.
650 mm / 700 mm RP-Grade Graphite Electrodes
Perfect for large-scale EAF steelmaking, ladle refining, and ferroalloy production. Maintains superior conductivity, thermal stability, and mechanical strength under high thermal shock and heavy load.
High-Purity Graphite Blocks — Precision Carbon Materials for Electrode, Metallurgy, and Thermal Processing Industries
High-purity graphite blocks are essential in UHP electrode manufacturing, EDM machining, vacuum furnace components, and monocrystalline silicon thermal systems—ideal for demanding high-temperature, conductive industrial environments.
Ultra High Power (UHP) Graphite Electrodes
UHP graphite electrodes are widely used in electric arc furnace steelmaking, offering high conductivity, excellent heat resistance, and mechanical strength, significantly improving smelting efficiency and product quality, making them essential in modern steel production.
400mm HP Graphite Electrode – Premium High-Power Solution for EAF, LF, and SAF Applications
Widely used in EAF, LF, and SAF applications, the 400mm HP graphite electrode offers excellent conductivity, thermal shock resistance, and mechanical strength—ensuring stable arc performance, lower energy consumption, extended electrode life, and improved efficiency in steel and alloy production.
Graphite Scrap Product Specifications – High-Purity Carbon Material for Graphite Electrodes
High-purity graphite scrap is widely used in electric arc furnace and ladle furnace electrode manufacturing, enhancing electrode conductivity and thermal resistance for efficient smelting and sustainable recycling.
HP Graphite Electrodes
HP graphite electrodes are widely used in electric arc furnace steelmaking, metallurgical processes, and high-temperature electrolysis. Their excellent conductivity and heat resistance significantly improve smelting efficiency and product quality, making them essential in modern metallurgy.
550mm RP Graphite Electrode — High-Performance Solution for Large-Capacity Electric Arc Furnaces
Ideal for large-capacity electric arc furnaces (EAF), ladle furnaces (LF), and submerged arc furnaces (SAF). Widely used in high-output steel plants and ferroalloy production, especially for facilities exceeding 700,000 tons annually aiming to reduce electrode consumption and improve process stability.
High-Purity Graphite Crucibles for Industrial Melting and Electrode Applications
Graphite crucibles are ideal for high-temperature melting of aluminum, copper, gold, and silver. Suitable for vacuum and induction furnaces, they offer thermal stability and strong chemical resistance.
350mm UHP Graphite Electrode – Premium Ultra High Power Solution for EAF Steelmaking
The 350mm UHP graphite electrode is ideal for large-capacity EAF steelmaking, enabling fast melting of scrap and DRI with stable current and low consumption. It’s also suitable for ladle refining and high-temperature ferroalloy and non-ferrous metal smelting, enhancing productivity and steel purity.
300mm UHP Graphite Electrode – Premium Ultra High Power Graphite Solution for High-Performance EAF Systems
Suitable for high-power electric arc furnaces, ladle refining furnaces, and ferroalloy furnaces, the 300mm UHP graphite electrode offers exceptional electrical conductivity and heat resistance, making it an ideal electrode solution for high-speed smelting and energy-efficient steelmaking.
Calcined Petroleum Coke (CPC)
Calcined Petroleum Coke (CPC) is essential for producing graphite electrodes in electric arc furnaces, aluminum smelting anodes, recarburizers in iron casting, and as a reducing agent in TiO₂ chloride processes—making it a key raw material in high-temperature metallurgy and carbon-intensive applications.
550mm High Power Graphite Electrode (HP) — Custom-Engineered for High-Load Applications
The 550mm high-power graphite electrode is a custom, non-standard product tailored for large-capacity submerged arc furnaces (SAF). It offers exceptional thermal stability, electrical conductivity, and mechanical strength, widely used in extreme smelting conditions such as manganese alloy production.
400mm RP Graphite Electrode-Engineered for Stable Conductivity and Mechanical Integrity in High-Volume EAF Steelmaking
The 400mm RP (Regular Power) graphite electrode is engineered for electric arc furnaces (EAF) operating under standard power conditions. It offers reliable current conductivity, arc stability, and mechanical integrity, making it well-suited for carbon and alloy steel production facilities with annual outputs exceeding 500,000 metric tons.
Graphite Rods – Engineered for High-Temperature and Electrode Applications
Graphite rods are widely applied in electric arc furnace (EAF) steelmaking, EDM machining, vacuum and resistance furnace heating, high-temperature alloy casting, electrolytic and plating processes, solar photovoltaic, lithium battery, and hydrogen energy systems. With excellent electrical conductivity, thermal resistance, and chemical stability, they are ideal materials for advanced industrial applications requiring high-temperature endurance and precision conductivity.
450mm RP Graphite Electrode — Optimized Conductivity and Cost-Effective Performance for Large Electric Arc Furnaces
The 450mm RP graphite electrode is engineered for large electric arc furnaces, offering high conductivity, excellent oxidation resistance, and thermal stability. Advanced manufacturing ensures low resistivity and strong mechanical strength, reducing electrode consumption per ton and boosting production efficiency—an ideal choice for cost-effective steelmaking.
Please leave us a message
- English
- French
- German
- Portuguese
- Spanish
- Russian
- Japanese
- Korean
- Arabic
- Irish
- Greek
- Turkish
- Italian
- Danish
- Romanian
- Indonesian
- Czech
- Afrikaans
- Swedish
- Polish
- Basque
- Catalan
- Esperanto
- Hindi
- Lao
- Albanian
- Amharic
- Armenian
- Azerbaijani
- Belarusian
- Bengali
- Bosnian
- Bulgarian
- Cebuano
- Chichewa
- Corsican
- Croatian
- Dutch
- Estonian
- Filipino
- Finnish
- Frisian
- Galician
- Georgian
- Gujarati
- Haitian
- Hausa
- Hawaiian
- Hebrew
- Hmong
- Hungarian
- Icelandic