The demand for the larger diameter electrodes has been increasing as EAF furnace sizes become larger. Graphite electrodes with diameter of 500 mm or 600 mm have become increasingly popular in recent years.
SpecificationDefect Dimension | Nominal Diameter of Graphite Electrode (mm) | |
---|---|---|
300–400 | 450–600 | |
Diameter (mm) |
20–40 (< 20 mm should be negligible) |
30–50 (< 30 mm should be negligible) |
Depth (mm) |
5–10 (< 5 mm should be negligible) |
10–15 (< 10 mm should be negligible) |