PRODUCTS
Guoliang company owns three wholly-owned subsidiaries and one branch. It is a high-tech enterprise specializing in the integrated solution of refractories for high-temperature industry, providing customers with general contracting services and refractory products.
Ladle castable is made of high quality bauxite clinker, corundum, magnesia, magnesia alumina spinel and superfine powder, prepared with different binders and admixtures.
Available grades include LMJ-80, LMS-85 and LMS-90 for 60T–200T steel ladles. Different refractory compositions can be selected according to ladle capacity, steel grade, slag conditions, lining position and required service performance.
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PRODUCT ADVANTAGES
Strong erosion resistance
Good thermal shock resistance and good volume stability
TECHNICAL SPECIFICATIONS
| Index | LMJ-80 | LMS-85 | LMS-90 |
| Al2O3+MgO % ≥ | 80 | 85 | 90 |
| Al2O3+MgO % ≥ | 2.6 | 2.8 | 3.0 |
| CCS MPa ≥110℃ | 20 | 20 | 20 |
| CCS MPa ≥1200℃ | 30 | 40 | 40 |
| CCS MPa ≥1500℃ | 30 | 50 | 60 |
| Linear change after heating (1500℃) % | ±2 | ±1 | ±1 |
| Application | 60T- 200T steel ladle | 60T- 200T steel ladle | 60T- 200T steel ladle |
Steel ladles operate under repeated heating and cooling cycles while holding and transporting high-temperature molten steel. Refractory castables can be used in different areas of the ladle depending on the lining design and operating conditions.
Typical applications include:
The appropriate steel ladle refractory castable should be selected according to the thermal, mechanical and chemical load of each lining area
Correct installation is essential for obtaining the intended performance from a refractory castable.
A typical installation process includes:
Surface Preparation → Mixing → Casting/Vibration → Curing → Controlled Drying → Ladle Preheating → Service
During installation:
Water addition, mixing time, curing conditions and heating schedules should be adjusted according to the specific ladle castable grade and site conditions.
The service life of a steel ladle castable lining is not determined by refractory composition alone. Several operating factors can influence refractory consumption:
When evaluating refractory consumption, it is useful to analyze both the material specification and the actual operating conditions.
GUOLIANG supplies ladle castables and steel ladle refractory materials for steelmaking and continuous casting operations. Our product range also includes magnesia carbon bricks, sliding gate plates, inner and collector nozzles, porous plugs, purging plugs, well blocks and other ladle refractory components.
By combining refractory material selection with actual ladle operating conditions, we help steel plants and refractory distributors select more suitable products for new linings, maintenance and replacement projects.
Ladle castable is an unshaped refractory material used to construct or repair refractory linings in steel ladles. After mixing with the specified amount of water, it is installed by casting and forms a dense monolithic refractory lining after curing and controlled drying.
GUOLIANG ladle castable is produced using materials such as bauxite clinker, corundum, magnesia, magnesia-alumina spinel, superfine powders, binders and additives.
Depending on refractory design and operating conditions, castable can be used for ladle bottoms, sidewalls, lining repairs and other monolithic lining areas.
Consider ladle capacity, lining position, steel grade, slag chemistry, operating temperature, refining conditions and required service life. Providing existing lining performance can also help with grade selection.
Yes. Provide the existing refractory specification, ladle capacity, application position, service life and main wear problem. GUOLIANG can evaluate these conditions and recommend an appropriate refractory grade.
Send us your ladle capacity, lining position, steel grade, refractory specification and current service life. GUOLIANG can recommend a suitable ladle castable grade for new lining, repair or refractory replacement projects and provide a quotation based on your operating requirements.
If you are interested in any of our products or would like to make your customized order, please feel free to contact us. We are looking forward to establish successful business relations with you.
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