Indicative technical data across our graphite grades, electrodes and carbon materials. We confirm the exact specification of each part against your selected grade and drawing.
Typical properties across common graphite grades.
| Property | Fine-Grain | Isostatic | High-Purity | Extruded |
|---|---|---|---|---|
| Bulk density (g/cm³) | 1.78 | 1.80 | 1.82 | 1.65 |
| Grain size | ≤ 0.8 mm | ≤ 0.02 mm | ≤ 0.01 mm | ≤ 4 mm |
| Flexural strength (MPa) | 35 | 50 | 55 | 12 |
| Compressive strength (MPa) | 70 | 100 | 110 | 30 |
| Resistivity (µΩ·m) | 11 | 13 | 12 | 8 |
| Shore hardness | 50 | 65 | 70 | 35 |
| Ash content (%) | ≤ 0.1 | ≤ 0.05 | ≤ 0.0005 | ≤ 0.3 |
Indicative values — actual properties depend on the specific grade and lot. Ask for the data sheet of the grade you need.
Typical electrode properties by power grade.
| Property | RP | HP | UHP |
|---|---|---|---|
| Bulk density (g/cm³) | 1.55 | 1.62 | 1.70 |
| Resistivity (µΩ·m) | 7.5 – 9.0 | 5.8 – 7.0 | 4.5 – 6.0 |
| Flexural strength (MPa) | 8.0 | 10.5 | 13.0 |
| Elastic modulus (GPa) | 8 | 11 | 14 |
| CTE (×10⁻⁶/°C) | 2.4 | 2.0 | 1.6 |
| Current density (A/cm²) | 17 – 20 | 22 – 25 | 25 – 30 |
| Property | Typical |
|---|---|
| Fixed carbon | ≥ 98.5% |
| Sulfur | ≤ 0.5% (low-S ≤ 0.05%) |
| Ash | ≤ 0.5% |
| Volatile matter | ≤ 0.7% |
| Moisture | ≤ 0.5% |
| Particle size | Customized (0–1, 1–5 mm, powder/mesh) |
Down to ±0.05 mm depending on grade and part.
Turning, milling, drilling and threaded connections.
Standard and special-shaped parts to your drawing.
From small precision pieces to large furnace components.
Density, resistivity and ash checks on incoming material.
Each part dimensionally inspected before shipment.
Mill Test Certificate / Certificate of Conformance on request.
Secure packaging for international shipment.
Tell us the product and grade you're interested in — we'll send the detailed technical data sheet (TDS) and a quote.