Graphite Electrodes (GE) are high-quality carbon products used primarily in electric arc furnaces for steelmaking. They provide excellent conductivity, mechanical strength, and thermal stability.
Our electrodes are manufactured to meet stringent industrial standards, ensuring uniform performance, low impurities, and long service life in high-temperature operations.
Technical Specifications
| Graphite Electrode | |||||
|---|---|---|---|---|---|
| Properties | Unit | Nominal diameter of Electrode | |||
| UHP | HP | RP | |||
| Ø300–Ø500 mm Typical Value |
Ø550–Ø800 mm Typical Value |
Ø300–Ø800 mm Typical Value |
Ø300–Ø800 mm Typical Value |
||
| Resistivity | Electrode μΩ·m |
4.8–5.8 | 4.6–5.8 | 5.8–6.6 | 7.0–10.0 |
| Nipple μΩ·m |
3.5–4.0 | 3.5–4.0 | 3.5–4.0 | 4.0–4.5 | |
| Flexural Strength | Electrode MPa |
9.0–14.0 | 10.0–14.0 | 10.0–13.0 | 8.0–10.0 |
| Nipple MPa |
20.0–24.0 | 22.0–26.0 | 20.0–23.0 | 19.0–22.0 | |
| Young’s Modulus | Electrode GPa |
9.0–13.0 | 10.0–14.0 | 8.0–12.0 | 7.0–9.3 |
| Nipple GPa |
15.0–18.0 | 16.0–19.0 | 14.0–16.0 | 12.0–14.0 | |
| Bulk Density | Electrode g/cm³ |
1.68–1.74 | 1.70–1.74 | 1.64–1.68 | 1.53–1.56 |
| Nipple g/cm³ |
1.78–1.82 | 1.78–1.84 | 1.75–1.80 | 1.70–1.74 | |
| CTE (100–600°C) | Electrode 10⁻⁶/°C |
1.1–1.4 | 1.1–1.4 | 1.6–1.9 | 2.2–2.6 |
| Nipple 10⁻⁶/°C |
0.9–1.2 | 0.9–1.2 | 1.1–1.4 | 2.0–2.5 | |
| Ash | % | 0.3 | 0.3 | 0.3 | 0.5 |
| GE Current Load and Current Density | ||||||
|---|---|---|---|---|---|---|
| Nominal Diameter (mm) |
RP | HP | UHP | |||
| Allow Current (A) | Current Density (A/cm²) | Allow Current (A) | Current Density (A/cm²) | Allow Current (A) | Current Density (A/cm²) | |
| 200 | 5000–6900 | 15–21 | 5500–9000 | 18–25 | – | – |
| 250 | 7000–10000 | 14–20 | 8000–13000 | 18–25 | – | – |
| 300 | 10000–13000 | 14–18 | 13000–17400 | 17–24 | 13000–22000 | 21–30 |
| 350 | 13500–18000 | 14–18 | 17400–24000 | 17–24 | 20000–30000 | 20–30 |
| 400 | 18000–23500 | 14–18 | 21000–32000 | 16–24 | 25000–40000 | 19–30 |
| 450 | 22000–27000 | 13–17 | 25000–40000 | 15–24 | 32000–45000 | 19–27 |
| 500 | 25000–32000 | 13–16 | 30000–48000 | 15–24 | 38000–55000 | 18–27 |
| 550 | 32000–40000 | 13–16 | 37000–57000 | 15–23 | 45000–60000 | 18–27 |
| 600 | 38000–47000 | 13–16 | 44000–67000 | 15–23 | 50000–80000 | 18–27 |
| 650 | 43000–50000 | 13–16 | 50000–70000 | 15–23 | 60000–90000 | 18–27 |
| 700 | 45000–54000 | 13–16 | 54000–73000 | 15–23 | 65000–100000 | 18–27 |