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600mm UHP Graphite Electrode
The 600mm UHP graphite electrode is widely used in electric arc furnaces (EAF) and ladle furnaces (LF), suitable for high-temperature and high-load operations. With excellent electrical conductivity, thermal shock resistance, and low consumption, it is ideal for melting scrap, DRI, and non-ferrous metals, making it a preferred choice for advanced metallurgical applications.
Description
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Basic Description
The 600mm UHP (Ultra High Power) graphite electrode is a premium-grade consumable extensively used in electric arc furnaces (EAF) and ladle furnaces (LF) for large-scale steelmaking and non-ferrous metal refining. With its exceptional electrical conductivity, thermal resistance, and mechanical strength, this electrode guarantees optimal performance under extreme high-temperature and high-current conditions.
Key Technical Specifications:
| Parameter | Unit | Electrode | Nipple |
| Resistivity | μΩ·m | 4.5 ~ 5.4 | 3.0 ~ 3.6 |
| Bending Strength | MPa | ≥ 10.0 | ≥ 24.0 |
| Elastic Modulus | GPa | ≤ 13.0 | ≤ 20.0 |
| Bulk Density | g/cm³ | 1.68 ~ 1.72 | 1.80 ~ 1.86 |
| Thermal Expansion Coefficient | 10⁻⁶/°C | ≤ 1.2 | ≤ 1.0 |
| Ash Content | % | ≤ 0.2 | ≤ 0.2 |
| Allowable Current | A | — | 52000 ~ 78000 |
| Current Density | A/cm² | — | 18 ~ 27 |
| Actual Diameter | mm | 600 | — |
| Actual Length (Customizable) | mm | 2200 - 2700 | — |
| Length Tolerance | mm | ±100 | — |
| Short Ruler Length | mm | -300 | — |
Manufacturing Process:
600mm UHP graphite electrodes are made from high-purity needle coke, processed through calcination, forming, baking, high-pressure impregnation, and graphitization at temperatures over 2800°C. The electrodes and nipple connectors are precision-machined to ensure tight junctions, low contact resistance, and high stability during arc operation.
Application Scenarios:
● Electric Arc Furnace (EAF) Steelmaking
In large steel plants, 600mm UHP electrodes are essential for melting scrap and DRI with ultra-high power input. They ensure faster melting cycles, lower electrode consumption, and higher energy efficiency.
● Ladle Furnace (LF) Secondary Metallurgy
Used for temperature compensation and final alloy adjustments, ensuring clean steel, precise composition, and improved metallurgical control.
● Non-Ferrous Metal Melting
Also used for melting aluminum, copper, and nickel alloys, where stable arc and low impurity levels are vital to end-product quality.
Core Advantages:
● Excellent Conductivity: Ensures efficient energy transfer with minimal losses
● Thermal Shock Resistance: Long lifespan in high-thermal-cycle operations
● High Structural Strength: Reduces risk of breakage during handling and arc loading
● Low Ash & Impurities: Minimizes contamination of molten metal
● Lower Cost per Ton: Longer service life and reduced consumption optimize lifecycle cost
Conclusion：
The 600mm UHP graphite electrode is an indispensable asset for modern steelmaking and advanced metallurgy. Combining state-of-the-art carbon materials, precision engineering, and industry-proven durability, it enhances furnace performance while reducing operational costs. Ideal for manufacturers focused on efficiency, consistency, and high-quality output, this electrode delivers exceptional value in demanding industrial environments.
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