Products we offer
Refractories for RH degasser
Refractories for RH degasser
| Brand | LY-RRR-DBC20 | LY-RRR-RH-100 | LY-RRR-DBS-HNY | LY-RRR-U36RH | LY-RRR-U34LM | ||
 |
Properties | Rebonded brick | Semi-rebonded MgO-Cr2O3 brick | Semi-rebonded MgO-Cr2O3 brick | Direct-bonded MgO-Cr2O3 brick | Direct-bonded MgO-Cr2O3 brick | |
| Use | Lower vessel wall | Lower vessel wall | Lower /Upper vessel wall snorkel | snorkel | Lower vessel wall (upper) | ||
| Chemical composition(%) | MgO | 65 | 56 | 57 | 64 | 57 | |
| Cr2O3 | 24 | 27 | 23 | 15 | 18 | ||
| Bulk density | 3.28 | 3.29 | 3.25 | 3.15 | 3.15 | ||
| Apparent porosity(%) | 14 | 13.8 | 14.5 | 15 | 15 | ||
| Cold Crushing Strength(MPa) | 80 | 80 | 60 | 60 | 60 | ||
| Brand | LY-CFC-ASP-SN3 | LY-G-MR100ST | ||
 |
Grain composition(%) | Al2O3 | 92 | 86 |
| MgO | 5 | |||
| Cold Crushing Strength(MPa) | 1.2mm≦ | 47 | 19 | |
| 0.09mm≧ | 29 | 33 | ||
| Cold Crushing Strength(MPa) | 110℃×24h | 45 | ||
| 1500℃×3h | 36 | |||
| Linear change (%) 1500℃×3h | 2.85 | |||
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.