product is used in the whole process of steelmaking
Products we offer
Precast block for EAF

Brand: LMM YOTAI
Warranty: 1 year
Sample: Sample testing is available
Certification: ISO9001/ISO14001
Payment method: TT/LC
Shipping method: sea/land/air
Specifications: Customized products according to customer drawings
Precast block for EAF Sleeve of electrode
Bland | LY-MG-16BSX | LY-MG-11BX | LY-HPT-B | LY-CFC-18RX | ||
![]() |
Use | Electrode of furnace bottom | Back-up | Sleeve of electrode | ||
Chemical Composition(%) | SiO2 | 2.5 | 9 | |||
Al2O3 | 86 | |||||
MgO | 78 | 86 | 94 | |||
CaO | 1 | |||||
C | 16 | 11 | ||||
Apparent Porosity(%) | 3.5 | 3 | 18 | 18 | ||
Bulk Density | 2.93 | 3.07 | 2.87 | 2.85 | ||
Cold Crushing Strength(MPa) | 40 | 58 | 70 | 40 |
Production equipment
- automatic controlling system & complete chemical & physical testing system.
- 2100 tons automatic hydraulic press
- 2 lines ultra high temperature tunnel kiln tunnel kilns (1850 ℃)
- 10 sets presses, including 1000t, 800t, 630t and 400t friction press, advanced crushing, blending




Certification


About LMM YOTAI












— Raw materials
located at “Magnesium city”of China, we have material location advantage
— Technology
Japanese technology & management
— Equipment
• 1 set 2100 tons automatic hydraulic press
• 2 sets 1850C Tunnel Kiln annual production capacity: 80000 tons
— Experience
we supplied to Greece, Bulgaria, Ukraine, Mexico etc.. we can also do OEM for you
LMM YOTAI PRODUCT
- Refractory Material for EAF
- Refractory Material for Ladle Furnace
- Refractories for Tundish
- Magnesia bricks for Tundish
- Al2O3-SiC-C block for Tundish
- Magnesia coat for Tundish
- High alumina castable for Tundish
- Slide gate plate for Tundish
- Metering Upper Nozzles for Tundish
- Nozzle for Tundish
- Submerged Entry Nozzle for tundish
- Monolithic Stoppers for Tundish
- SiO2-Al2O3-SiC ramming materials for Tundish
- Refractories for RH degasser
- Refractory Material for EAF
- Refractory Material for Ladle Furnace
- Refractories for Tundish
- Magnesia bricks for Tundish
- Al2O3-SiC-C block for Tundish
- Magnesia coat for Tundish
- High alumina castable for Tundish
- Slide gate plate for Tundish
- Metering Upper Nozzles for Tundish
- Nozzle for Tundish
- Submerged Entry Nozzle for tundish
- Monolithic Stoppers for Tundish
- SiO2-Al2O3-SiC ramming materials for Tundish
- Refractories for RH degasser
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.