unshaped refractory
Nodulizing Ladle (Ironmaking) Castable
Nodulizing ladle castable is a low-cement high-strength castable specially designed for hot metal ladles; mainstream formulations: high-alumina–silicon carbide–steel fiber composite / alumina-magnesia.
| Grade | Al₂O₃ Content | Long-term Service Temp. | Typical Applications |
| QHB80 | ≥80% | 1550℃ | Bottom spheroidizing pit, dike, ladle wall and ladle lip of ladles using the pouring-in spheroidizing method; linings of hot metal transfer ladles and pouring ladles. |