High-Performance Ø700mm UHP & Ø450mm HP Graphite Electrodes for Steelmaking

High-Performance Graphite Electrodes for EBT-EAF & Ladle Furnaces. The Rongsheng Graphite Electrodes Manufacturer Advantage. In modern steelmaking, graphite electrodes are critical for efficient Electric Arc Furnace (EAF) and Ladle Furnace (LF) operations. As a leading graphite electrode manufacturer, Rongsheng provides high-quality HP (High Power) and UHP (Ultra High Power) electrodes designed for demanding industrial applications.

This article explores our HP graphite electrodes with pre-set 4TPI standard nipples, Ø700mm UHP electrodes for EBT-EAF, and Ø450mm HP electrodes for LF, highlighting their key benefits, specifications, and applications.

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Understanding HP & UHP Graphite Electrodes

UHP Graphite Electrodes (Ø700mm for EBT-EAF)

Ultra High Power (UHP) electrodes are engineered for high-intensity steel production, offering:

• Extreme current density (up to 40,000 A/cm²)
• Superior thermal shock resistance
• Low electrical resistivity (3.5–5.5 μΩ·m)
• Reduced oxidation due to premium needle coke composition

These electrodes are ideal for Eccentric Bottom Tapping-Electric Arc Furnaces (EBT-EAF), where high stability and durability are crucial.

HP Graphite Electrodes (Ø450mm for LF)

High Power (HP) electrodes are optimized for secondary refining in Ladle Furnaces (LF), featuring:

• Moderate current load capacity (up to 25,000 A/cm²)
• Excellent thermal conductivity
• Cost-effective performance for refining processes

Both HP and UHP electrodes are manufactured using high-purity needle coke and undergo strict quality control to ensure reliability.

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Key Features of HP Graphite Electrodes with 4TPI Nipples

Pre-Set 4TPI Standard Nipple Connection System

• 4 Threads Per Inch (TPI): Ensures secure, vibration-resistant joints between electrode sections.
• Precision-Machined Threads: Minimize energy loss and arcing at connections.
• Enhanced Oxidation Resistance: Nipples are treated to withstand high temperatures.

Ø450mm HP Electrodes for Ladle Furnaces (LF)

• Optimized for refining processes (desulfurization, alloy adjustment)
• Balanced thermal expansion for prolonged furnace campaigns
• Lower consumption rates compared to standard RP electrodes

Ø700mm UHP Electrodes for EBT-EAF

• Designed for ultra-high power input in large-scale steelmaking
• Minimized breakage risk due to superior mechanical strength
• Extended electrode life in continuous tapping operations

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Applications in Steel & Metallurgical Industries

EBT-EAF (Ø700mm UHP Electrodes)

• Primary steelmaking (scrap melting, DRI processing)
• High-alloy steel production (stainless, tool steel)
• Continuous casting support

Ladle Furnaces (Ø450mm HP Electrodes)

• Secondary refining (temperature control, degassing)
• Alloying & composition adjustment
• Slag conditioning

Why Choose Rongsheng’s HP & UHP Graphite Electrodes?

• High-Quality Needle Coke Raw Materials
• Advanced Graphitization (3000°C+ Treatment)
• ISO 9001-Certified Manufacturing
• Customizable Dimensions & Nipple Configurations

Rongsheng’s HP graphite electrodes with 4TPI nipples (Ø450mm for LF) and Ø700mm UHP electrodes for EBT-EAF deliver unmatched performance, durability, and cost-efficiency in steelmaking. By optimizing conductivity, thermal resistance, and joint stability, our electrodes help reduce energy consumption and improve furnace productivity.

For high-performance graphite electrodes tailored to your needs, contact Rongsheng—your trusted partner in advanced metallurgical solutions.