Blast Furnaces Fire Clay Bricks are high-performance refractory materials engineered for severe thermal and mechanical conditions inside blast furnace systems. Produced from carefully selected raw materials and advanced sintering technology, these bricks deliver stable structural integrity, strong load-bearing capacity, and long-term resistance to high-temperature deformation. Designed specifically for metallurgical furnace applications, they ensure reliable operation in critical zones where continuous heat exposure and chemical attack are most intense.
Physicochemical Parameters
| Item | Blast Furnaces Fire Clay Brick |
|---|---|
| Al₂O₃, % | 42–53 |
| Fe₂O₃, % ≤ | 1.6 |
| CaO + MgO, % ≤ | 0.7 |
| Na₂O + K₂O, % ≤ | 0.8 |
| Bulk Density, g/cm³ ≥ | 2.20 |
| Apparent Porosity, % ≤ | 17 |
| Cold Crushing Strength, MPa ≥ | 40 |
| 0.2 MPa Refractoriness Under Load, °C ≥ | 1450 |
| High Temperature Creep Rate (1280°C×25h, 0.2MPa), % ≤ | 0.4 |
| Modulus of Rupture at 1200°C, MPa ≥ | 10 |
| Modulus of Rupture at 1350°C, MPa ≥ | 4 |
| Thermal Expansion Coefficient (20–1000°C), % | 0.7 |
| Standard | GB/T 3995, GB/T 2997 |
Product Features of Blast Furnaces Fire Clay Bricks
- High Load Stability at Elevated Temperatures: Maintains structural integrity under continuous high-temperature and mechanical stress, ensuring stable furnace operation.
- Excellent Creep Resistance: Low deformation rate under load significantly improves dimensional stability during long-term service.
- Dense Microstructure: Controlled porosity below 17% reduces slag penetration and enhances chemical corrosion resistance.
- Superior Thermal Shock Resistance: Optimized grain distribution allows the bricks to withstand rapid temperature fluctuations without cracking.
- High Mechanical Strength: Cold crushing strength ≥40 MPa provides strong resistance against impact and structural stress.
- Extended Service Life: Reduces furnace downtime and maintenance costs by improving overall campaign life.
Applications
- Hot Blast Stoves: Widely used in Furnace body lining,regenerator chambers, high-temperature load-bearing zones for blast furnaces.
- Blast Furnaces: Suitable for regenerator chambers and areas requiring excellent dimensional stability under continuous high-temperature operation.
- Glass Furnaces: Used in regenerators and partition walls where long-term thermal stability is essential.
- Coke Ovens: Provides reliable resistance to thermal stress and high-temperature creep, ensuring stable operation.
- Cement and Lime Kilns: Suitable for zones subjected to continuous heating and mechanical loads.
- Other Industrial Furnaces: Applicable to metallurgical, petrochemical, power generation, ceramics, and silicate industries.
Customization Services
To meet diverse furnace design requirements, we offer flexible customization:
- Dimensions: Standard and non-standard sizes available
- Shapes: Straight bricks, arch bricks, wedge bricks, checker bricks
- Performance Tuning: Adjustable alumina content and density
- OEM Service: Branding and packaging customization available
Packing and Shipping Details
All products are packaged to ensure safety during global transportation:
- Packing Method: Wooden pallets with steel straps and moisture-proof film
- Protection: Anti-collision and moisture-resistant packaging system
- Minimum Order Quantity: 20 tons
- Lead Time: 15–40 days depending on order size and customization
- Shipping Options: Sea freight, air freight, or land transport
About Xintai Refractory
Xintai Refractory is a professional manufacturer specializing in advanced refractory solutions for high-temperature industrial applications. With over 20 years of production and export experience, the company provides a full range of refractory bricks, insulation materials, castables, and monolithic refractories.
Its products are widely used in steelmaking, cement production, glass manufacturing, petrochemical processing, non-ferrous metallurgy, and power generation industries. Through strict quality control, advanced production technology, and strong customization capability, Xintai delivers durable and efficient refractory solutions that enhance furnace performance and extend service life.
