Electric Arc Furnace Electrodes 200mm 300mm 400mm 600mm RP Hp UHP

Electric Arc Furnace Electrodes 200mm 300mm 400mm 600mm RP Hp UHP

What are the common specifications and grades of Electric Arc Furnace (EAF) electrodes?​​

Electric Arc Furnace electrodes are critical components for steelmaking, with specifications primarily defined by diameter (e.g., 200mm, 300mm, 400mm, 600mm) and performance grades (RP, HP, UHP).

​​Specifications (Diameter):​​ The diameter determines current-carrying capacity and heat dissipation. Smaller diameters (200-300mm) suit smaller EAFs or lower-power operations, while larger ones (400-600mm) are used in high-capacity furnaces (100-300 tons) to handle higher currents and reduce electrode consumption.

​​Grades:​​

​​RP (Regular Power):​​ Designed for conventional EAFs, with higher electrical resistance (~65-75 μΩ·m) and lower density (~1.68-1.70 g/cm³). Suitable for older or lower-power furnaces (≤50 tons).

​​HP (High Power):​​ Lower resistance (~55-65 μΩ·m) and higher density (~1.70-1.72 g/cm³) for mid-range EAFs (50-100 tons), improving energy efficiency.

​​UHP (Ultra High Power):​​ Ultra-low resistance (<55 μΩ·m) and high density (>1.72 g/cm³), optimized for modern EAFs (≥100 tons). They minimize energy loss, extend electrode life, and support higher tapping temperatures.