LMM TOTAI offer a complete product and service portfolio for all steelmaking processes.
From basic and non-basic bricks and mixes, slide gate plates, isostatic products and prefab components to special machinery, mechanisms and repair systems.
Monolithic Stoppers
Brand name: LMM YOTAI
Packing Details : Wooden box with fumigation or Wooden Fram
Delivery Details: 30~60days or Based on the quantity
Shipping: Sea freight、Land freight、Air freight
LMM have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time
Adopting excellent white corundum，flake graphite etc，and produced with scientific process and strict technology, which has perfect anti-thermal shock, anti-corrosion, anti-erosionand anti-oxidation properties.
1.Gasket
2.Steel nuts connection prevents the stoppers from coming off.
3.The monolithic body is Al-C materials with perfect anti-thermal shock property.
4.Anti-oxidation coating prevents the products from oxidation .
5.Porous plug, even ventilation, to stop the molten steel intothe inner hole of stoppers
6.The head of stopper adopts compound materials, which has better anti-corrosion property.
| Item | Body | Stopper Rod | ||
| Alumina-Graphite | Magnesia-Graphite | |||
| Chemical Composition | Al2O3 | ≥45 | ≥75 | ··— |
| MgO | — | — | ≥75 | |
| C+SiC | ≥25 | ≥10 | ≥10 | |
| Bulk Density (g/cm3) | ≥2.60 | ≥2.75 | ≥2.70 | |
| Apparent Porosity(%) | ≤20 | ≤16 | ≤16 | |
| Cold Crushing Strength(MPa) | ≥20 | ≥25 | ≥20 | |
| Modulus of Rupture-Room Temp (MPa) | ≥7.0 | ≥7.0 | ≥5.0 | |
| Thermal shock resistance(sequence) | ≥5.0 | ≥5.0 | ||