Products we offer
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 | ||
LMM YOTAI PRODUCT
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.
Our Clients Give The Best Feedback
Contact Us
- 86-411 84174804
- lmm@magnesiacarbonbricklmm.com
- Ganjingzi District, Dalian 116000, China
LMM YOTAI established in 2007. Our production technology comes from Japanese Yotai. As an experienced and international player in the refractories industry. We have succeeded in expanding both the breadth of its product range and the depth of its services. From raw material selection, refractory portofio & optimization, installation & services & recycle of used refractories on site to further reduce client’s Opex & Capex in refractory consumption per ton steel output, meanwhile improve product quality of client.