Alumina Ramming Mass for Melting Steel is specifically developed for use in high-temperature applications where molten steel is processed. This product offers outstanding resistance to thermal shock, slag erosion, and mechanical wear, making it ideal for the intense conditions in steel melting furnaces. Formulated with premium alumina aggregates, high-quality binders, and carefully selected additives, this ramming mass ensures optimal durability, strength, and long-term protection for furnace linings.
Designed for use in both electric arc furnaces (EAF) and induction furnaces, Alumina Ramming Mass offers cost-effective solutions for ensuring the reliability and longevity of furnace linings. It is easy to install through manual or mechanical beating, allowing flexibility in application methods. This ramming mass delivers excellent performance in molten steel environments, ensuring high productivity and minimizing maintenance.
Technical Specifications
| Item | Unit | Alumina Ramming Mass for Melting Steel |
|---|---|---|
| Al₂O₃ Content | % | ≥ 85 |
| SiO₂ Content | % | ≤ 10 |
| Bulk Density | g/cm³ | 2.6 – 2.7 |
| Compressive Strength (110℃ × 24h) | MPa | ≥ 90 |
| Compressive Strength (1500℃ × 3h) | MPa | ≥ 120 |
| Flexural Strength (110℃ × 24h) | MPa | ≥ 10 |
| Flexural Strength (1500℃ × 3h) | MPa | ≥ 15 |
| Permanent Linear Change (1500℃) | % | ±0.5% |
| Max. Service Temperature | °C | 1600 |
| Water Addition | % | 6.0 – 7.0 |
Key Features
- High Alumina Content (~85% Al₂O₃): Ensures superior thermal resistance, providing structural strength for high-temperature applications.
- Thermal Shock Resistance: The ramming mass is designed to withstand rapid temperature changes without cracking or losing its structural integrity, ensuring optimal performance in melting steel operations.
- Slag Erosion Resistance: Offers excellent protection against slag erosion, a key feature for steel furnaces, to extend the service life of the furnace linings and reduce maintenance costs.
- High Compressive Strength: Provides reliability even under extreme temperatures and heavy loads, making it ideal for use in high-load environments such as electric arc furnaces and induction furnaces.
- Low Permanent Linear Change: Maintains dimensional stability, ensuring long-term volume stability during high-temperature operations.
- Ease of Installation: Can be applied manually or using mechanical methods, offering flexibility in installation and providing consistent, reliable results.
- Cost-Effective: Offers an affordable solution for industries that need durable and high-performance ramming mass without compromising on quality.
Typical Applications
- Steel Industry:
- Lining for electric arc furnaces (EAF), induction furnaces, and ladle furnaces.
- Ideal for applications involving the melting and refining of steel, ensuring efficient heat distribution and minimizing wear from molten steel.
- Non-ferrous Metallurgy:
- Used in holding and melting furnaces for non-ferrous metals such as copper, aluminum, and zinc, providing exceptional heat resistance and protection against corrosion.
- Foundries:
- Suitable for high-temperature environments in foundries, ensuring strong protection of furnace linings from wear and thermal shock.
- Cement Industry:
- Lining for kilns and other high-temperature equipment in cement production processes, where slag resistance and thermal stability are essential.
Production Details
- Raw Materials:
- High-quality alumina bauxite clinker, selected refractory clay, binders, and additives specifically designed for steel melting applications.
- Manufacturing Process:
- Carefully mixed and processed to ensure consistency, durability, and performance. The ramming mass undergoes strict quality control testing to meet industry standards.
- Quality Control:
- Every batch is tested for chemical composition, physical properties, and thermal performance to ensure reliable results. Regular checks ensure the ramming mass meets stringent quality requirements.
Packing and Shipping Details
- Standard Packing:
- 25 kg paper bags with moisture-proof inner lining to prevent moisture damage and ensure the product remains dry and ready for use.
- Bulk Packing:
- Jumbo bags are available for large-scale orders, offering a more efficient option for bulk applications.
- Palletizing:
- Wooden pallets with shrink-wrapped packaging to ensure secure transportation and prevent moisture exposure during shipping.
- Shipping Methods:
- Available via sea, truck, or rail, depending on customer preferences and order size.
- Delivery Form:
- Delivered as dry powder, ready for mixing and use on-site.
Note: All products are securely packed to prevent moisture absorption and damage during transportation, ensuring optimal performance when the product arrives at the installation site.
Frequently Asked Questions (FAQ)
Q1: What is the alumina content of this ramming mass?
The alumina content is approximately 85%, ensuring superior heat resistance and durability in high-temperature steel melting applications.
Q2: What is the maximum service temperature of this ramming mass?
It can withstand temperatures up to 1600°C, making it ideal for use in steel melting furnaces and other high-heat environments.
Q3. How much water should be added when mixing?
Typically, 6.0% – 7.0% water is required for optimal mixing and installation.
Q4: Can Alumina Ramming Mass for Melting Steel resist slag erosion?
Yes, it offers excellent resistance to slag erosion, making it perfect for use in steel furnaces that are constantly exposed to molten metal and slag.
Q5: How is the installation process for Alumina Ramming Mass?
This product in Xintai Refractory can be applied either manually or using mechanical equipment, offering flexibility depending on the specific installation requirements.



















