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Heavy-Duty Graphite Electrodes
Engineered for EAF Steelmaking and Ladle Furnace (LF) Refining. High-performance RP and HP grades for maximum冶炼效率.
Engineered for Primary Steelmaking
High-performance graphite electrodes designed for electric arc furnace steelmaking and ladle furnace refining processes.
EAF Steelmaking
Electric Arc Furnace (EAF) steelmaking using scrap steel. High-current conductivity for efficient molten steel production.
Ladle Furnace (LF)
Ladle furnace secondary refining for temperature homogenization and alloy adjustment. Precise control for high-quality steel grades.
Non-Ferrous Melting
有色金属熔炼 applications including copper, aluminum, and special alloy production requiring high-temperature conductivity.
Waste Recycling
废料再生处理 for scrap metal recovery and recycling operations, supporting sustainable steel production.
Solve Your Steelmaking Challenges
Heavy-duty graphite electrodes engineered for high-current EAF operations and continuous ladle furnace refining.
Pain Point 01
≤ 10 μΩ·m
Low Resistivity
Superior electrical conductivity ensures efficient power transfer from transformer to molten steel, reducing energy consumption per ton.
Pain Point 02
>10 MPa
High Flexural Strength
Exceptional mechanical strength withstands extreme thermal stress and electrode column weight in large-diameter EAF operations.
Pain Point 03
1:12 Taper
Precision Nipples
Machine-finished nipples with 1:12 taper ensure zero-gap connections, eliminating micro-arcs and preventing electrode breakage at joints.
Multi-Grade Specifications
| Parameter | RP Grade Regular Power |
HP Grade High Power |
UHP Grade Ultra High Power |
|---|---|---|---|
| Diameter Range | 200 – 600 mm | 200 – 600 mm | 200 – 600 mm |
| Apparent Density | 1.55 – 1.65 g/cm3 | 1.60 – 1.70 g/cm3 | 1.65 – 1.75 g/cm3 |
| Resistivity | 8 – 10 μΩ·m | 6 – 8 μΩ·m | 5 – 7 μΩ·m |
| Flexural Strength | >8 MPa | >10 MPa | >12 MPa |
| Elastic Modulus | >8 GPa | >10 GPa | >12 GPa |
| CTE (100–400℃) | <2.0 ×10−6 /℃ | <1.8 ×10−6 /℃ | <1.5 ×10−6 /℃ |
| Current Load | 10 – 30 A/cm2 | 20 – 40 A/cm2 | 30 – 50 A/cm2 |
Nipple Specifications
| Nipple Size (mm) | Thread | Overtange (mm) | Pitch Diameter (mm) | Taper |
|---|---|---|---|---|
| 76.2 × 101.6 | 6 TPI | 76.2 – 76.6 | 69.4 – 69.8 | 1:12 |
| 88.9 × 101.6 / 127.0 | 6 TPI | 88.9 – 89.4 | 81.7 – 82.3 | 1:12 |
| 98.4 × 101.6 / 127.0 | 5 TPI | 98.4 – 98.9 | 89.7 – 90.3 | 1:12 |
| 124.0 x 152.4 | 4 TPI | 124.0 – 124.7 | 113.0 – 113.8 | 1:12 |
| 152.4 × 177.8 | 4 TPI | 152.4 – 153.2 | 140.5 – 141.5 | 1:12 |
| 177.8 × 215.9 | 4 TPI | 177.8 – 178.8 | 165.0 – 166.0 | 1:12 |
| 196.0 x 215.9 / 254.0 | 4 TPI | 196.0 – 197.0 | 182.5 – 183.5 | 1:12 |
Standard Sizes & Custom Options
Complete 200-600mm diameter range with precision-machined nipples for heavy-duty industrial applications.
Standard Range
200-400mm
Medium-to-large diameter electrodes for standard EAF operations. Optimized for scrap steel melting and secondary refining.
Precision Connections
Custom-machined nipples ensure zero-gap electrode column assembly for maximum conductivity and minimum resistance.
Tailored to Your Furnace
- Diameter: 200 – 600 mm custom sizes
- Length: 500 – 3,000 mm configurations
- Grade Selection: RP / HP / UHP matched to your KVA
- Nipple Specification: Precision 1:12 taper nipples
- Current Density: Configured for your transformer capacity
Reliable Global Supply
- Annual Capacity: 5,000 MT stable supply
- Lead Time: 30–45 days from order confirmation
- Packaging: Steel drum or wooden crate options
- Quality Assurance: Batch-specific COA and TDS documentation
- Logistics: FOB Tianjin or Qingdao, door-to-door available
Need technical consultation for electrode selection? Explore our Technical Hub for detailed installation guides, storage recommendations, and optimization tips for your specific furnace configuration.