Tundish - Lining & Material Data
This page summarizes key refractory products, grades and indicative physical / chemical properties for the Tundish application engineered by SAMWHA INDIA REFRACTORIES PVT LTD.
Application Zones Covered
- Working Lining
- Monolithic - Back Lining
- Tundish Spray Mass
- Ramming Mass & Motor Fixing Nozzle
Typical Tundish lining arrangement (schematic).
Working Lining
| Brand | MgO (min %) | SiO₂ (max %) | Al₂O₃ (max %) | Fe₂O₃ (max %) | CaO (max %) | Residual C | C.C.S. (MPa min) |
B.D. (g/cm³ min) |
A.P. (max %) | CAP. (1100 °C/2 hrs) |
H.M.O.R. (1400 °C/30 min) Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| INSB AL-50 | - | 42 | 55 | 1.0 | - | - | 0.7 | 0.80 | - | - | - |
| LN-A | - | 10 | 46 | - | - | - | 20 | 2.35 | 17 | - | - |
| LNT-2AZ | - | - | 68.2 | - | - | - | - | 2.60 | 15 | - | - |
| LN-A | - | 10 | 46 | - | - | - | 20 | 2.35 | 17 | - | - |
| TAL-80C | - | 20 | 80.1 | - | - | - | 80 | 2.70 | 24 | - | - |
| TST-60 | - | - | 62.2 | - | 2.5 | - | - | 2.60 | 18 | - | - |
| UNT-1A | - | - | 68.5 | - | - | - | - | 2.60 | 15 | - | - |
| WBT AC-75 | - | 1.8 | 91.2 | - | - | - | 40 | 2.95 | 24 | - | - |
| TSAMS-90 | - | 1.8 | 91.2 | 1.2 | - | - | 40 | 2.95 | 24 | - | - |
Monolithic - Back Lining
| Brand | MgO (min %) | SiO₂ (max %) | Al₂O₃ (max %) | Fe₂O₃ (max %) | CaO (max %) | Residual C | C.C.S. (MPa min) |
B.D. (g/cm³ min) |
A.P. (max %) | CAP. (1100 °C/2 hrs) |
H.M.O.R. (1400 °C/30 min) Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TCASTAL L72C | - | - | 70 | 1.4 | 2.0 | - | 50 | 2.40 | - | - | - |
| TCASTHA-60 | - | - | 60 | 1.6 | 2.0 | - | 50 | 2.30 | - | - | - |
| TCASTHA-70 | - | - | 68 | 1.5 | 2.0 | - | 50 | 2.40 | - | - | - |
Tundish Spray Mass
| Brand | MgO (min %) | SiO₂ (max %) | Al₂O₃ (max %) | Fe₂O₃ (max %) | CaO (max %) | Residual C | C.C.S. (MPa min) |
B.D. (g/cm³ min) |
A.P. (max %) | CAP. (1100 °C/2 hrs) |
H.M.O.R. (1400 °C/30 min) Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TSM-70 | 65 | 15 | - | 2.0 | 2.0 | - | 20 | 1.70 | - | - | - |
| TSM-75 | 70 | 18 | - | 3.0 | 2.0 | - | 20 | 1.70 | - | - | - |
| TSM-78 | 75 | 15 | - | 2.0 | 5.0 | - | 20 | 1.70 | - | - | - |
| TSM-80 | 75 | 9.0 | - | 2.0 | 2.0 | - | 20 | 1.70 | - | - | - |
| TSM-83 | 80 | 7.0 | - | 1.5 | 3.0 | - | 20 | 1.72 | - | - | - |
| TSM-85 | 82 | 7.0 | - | 2.0 | 2.0 | - | 20 | 1.75 | - | - | - |
Ramming Mass & Motor Fixing Nozzle
| Brand | MgO (min %) | SiO₂ (max %) | Al₂O₃ (max%) | Fe₂O₃ (max%) | CaO (max%) | Residual C | C.C.S. (MPa min) |
B.D. (g/cm³ min) |
A.P. (max%) | CAP (1100 °C) |
H.M.O.R. (1400 °C/30 min) Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RMM-80 | 75 | 3.0 | 0.5 | 1.0 | 2.0 | - | - | 2.75 | - | - | - |
| MOR ACr-90 | - | 1.0 | 93.7 | 2.0 | 1.0 | 3.0 | - | 2.90 | - | - | - |