Pellets, briquettes (mill scale)
Chemical composition (mass fraction, %):
| Component | Content, % |
| Fe (total) | ~70.0 |
| Fe (metallic) | 10–20 |
| FeO | 20–30 |
| Fe₂O₃ | 10–15 |
| P | ≤0.05 |
| S | ≤0.03 |
| C | ≤0.3 |
| SiO₂ | 1.0–3.0 |
| Al₂O₃ | ≤1.5 |
| CaO | ≤1.0 |
| MgO | ≤0.5 |
| MnO | 0.2–1.0 |
| Cr₂O₃ | ≤0.2 |
| Na₂O + K₂O | ≤0.1 |
Physical and mechanical characteristics:
| Indicator | Value |
| Edge length | 35 mm ± 20% |
| Maximum briquette size | ≤ 50 mm |
| Compressive strength | ≥ 2.2 MPa |
| Bulk density | 2.8–3.5 t/m³ |
| Humidity (H₂O) | ≤ 2.0% |
| Loss on ignition (LOI) | 3–5% |
Applications:
Raw material for metallurgical production, especially for sintering, blast furnace and electric smelting processes.
Transportation and storage:
• Transport by road or rail in bulk or big bags.
• Store in open or covered areas protected from excessive moisture.
Trade names:
🇬🇧 English: Mill scale briquettes, Briquettes for metallurgy, EAF feed briquettes, Briquetted mill scale, Raw materials for EAF, Briquettes for EAF
🇩🇪 Deutsch: Briketts aus Walzschuppen, Selbstreduzierende Briketts (Walzschuppen), Briketts für Lichtbogenöfen, Brikettierte Hüttenabfälle
🇮🇹 Italiano: Bricchette di scaglie di laminazione. Bricchette per metallurgia (FEA), Bricchette per forni ad arco elettrico, Materie prime per forni ad arco elettrico (FEA)
🇷🇴 Română: Brichete din zgură de laminare, Brichete auto‑reducătoare (zgură), Brichete pentru cuptoare cu arc electric, Materii prime pentru FEA