The Alumina Carbon Ladle Slide Gate Plate manufactured by Xintai Refractory is a high-performance refractory component used in the steelmaking process for controlling molten steel flow between the ladle and tundish.
Made from high-purity alumina and flake graphite, the plate provides excellent thermal shock resistance, erosion resistance, and oxidation stability under extreme temperatures up to 1700°C. With over 20 years of refractory production experience, Xintai ensures consistent quality, long service life, and reliable performance for both domestic and international steel plants.
Technical Specifications
| Ladle Slide Gate Plate Physical and Chemical Performance Index | ||||
|---|---|---|---|---|
| Brand Items | HBLT80 | HBLT75 | HBLT70 | |
| Al2O3(%) ≥ | 80 | 75 | 70 | |
| C(%) ≥ | 2 | 3 | 3 | |
| Cold Crushing Strength(MPa) ≥ | Non impregnation | 80 | 70 | 60 |
| Impregnation | 100 | 90 | 80 | |
| Apparent porosity(%) ≤ | Non impregnation | 13 | 13 | 13 |
| Impregnation | 10 | 10 | 10 | |
| Bulk Density(g/cm³) ≥ | Non impregnation | 2.9 | 2.85 | 2.75 |
| Impregnation | 2.95 | 2.9 | 2.85 | |
Key Features
- High Purity Materials: Produced from premium alumina and natural graphite for reliable quality.
- Outstanding Thermal Shock Resistance: Stable performance under rapid temperature changes.
- Excellent Erosion and Corrosion Resistance: Withstands slag and molten steel attacks.
- High Mechanical Strength: Maintains structure under thermal and mechanical loads.
- Low Porosity: Reduces steel penetration, improves plate lifespan.
- Customizable Size and Shape: Tailored for different ladle systems and slide gate mechanisms.
Typical Applications
- Ladle slide gate systems in steelmaking plants
- Continuous casting tundish flow control
- Secondary refining and molten steel handling
- Flow control systems in converters and ladles
Production Details
- Automatic batching and mixing for precise composition control
- High-pressure forming and precision machining for tight dimensional tolerance
- Vacuum impregnation and high-temperature firing for enhanced density and strength
- Strict quality inspection to ensure consistent performance in each plate
Packing and Shipping Details
- Packing: Wooden pallets with waterproof film, anti-shock and anti-moisture protection
- Delivery Time: 15–25 working days after order confirmation
- Shipping Method: By sea, air, or land based on customer request
- Customization: OEM and ODM available according to drawings or technical data
Frequently Asked Questions (FAQ)
Q1: What is the working temperature range of the alumina carbon ladle slide gate plate?
It can operate stably under temperatures up to 1700°C, depending on steel grade and working conditions.
Q2: How long is the service life of the slide gate plate?
Under normal conditions, our plates can handle multiple casting cycles due to their high erosion resistance and low wear rate.
Q3. Can Xintai Refractory customize the size or shape?
Yes. We provide customized slide gate plates based on your ladle design and application requirements.
Q4: What other refractory products do you supply for steelmaking?
We also manufacture Ladle Nozzles, Well Blocks, Purging Plugs, and Seat Bricks, forming a complete steelmaking refractory system.
Q5: How does Xintai ensure product quality?
We have a strict quality management system (ISO certified), advanced testing equipment, and over 20 years of experience in refractory manufacturing.



















