Low Resistivity RP Graphite Electrode

Product Description

The RP (Regular Power) Graphite Electrode is a reliable and affordable choice for electric arc furnaces in steelmaking. Made from high-quality petroleum coke and processed with advanced methods like calcination, forming, baking, graphitization, and precise machining, it performs well in medium- and low-power furnaces. Its low electrical resistivity supports efficient current flow and energy use. The electrode’s strong structure and controlled density give it good mechanical strength and help it handle thermal stress. It also has a low consumption rate, making it a cost-effective option for ongoing steel production. Standard 3TPI, 4TPI, and 4TPIL nipples provide secure connections and stable performance at high temperatures.

Technical Specifications

Product Name: RP Grade Graphite Electrode

Grade: RP (Regular Power)

Length: 1600 – 3000 mm

Application: Steelmaking / Smelting

Resistivity: 4 – 9 μΩ·m

Apparent Density: 1.58 – 1.76 g/cm³

Thermal Expansion: 1.5 – 2.8 × 10⁻⁶ / (100–600°C)

Flexural Strength: 8 – 12 MPa

Nipple Type: 3TPI / 4TPI / 4TPIL

Place of Origin: Henan / Hebei, China

Applications

Electric Arc Furnaces (EAF)

Steel Smelting Plants

Foundries and Metal Processing Industries

Key Advantages

Low electrical resistivity for efficient conductivity

Low consumption rate for cost savings

Stable performance in regular power operations

Strong mechanical strength and thermal resistance

Secure electrode connection with standard nipples