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Iron and Steel Metallurgy
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Chromium Oxide Brick: Erosion & Heat Resistant for Industrial Furnaces
Core Advantages
High Purity & Chemical Inertness
with strong chemical stability, not easy to react with molten slag, metal melt and corrosive gases, suitable for extreme corrosive working conditions.
Excellent High-Temperature Stability
Long-term stable performance at ≤1800℃, low thermal expansion coefficient, no obvious deformation or softening under high-temperature load, ensuring furnace structural integrity.
Superior Erosion & Wear Resistance
Dense internal structure, strong resistance to molten slag penetration and high-temperature abrasion, effectively reducing lining wear and extending service life.
High Mechanical Strength
Room temperature compressive strength ≥180MPa, good flexural strength, can withstand heavy loads and thermal stress in industrial furnaces, not easy to crack or fall off.
Wide Atmosphere Adaptability
Stable performance in oxidizing, reducing and neutral atmospheres, compatible with various complex industrial furnace working conditions, strong versatility.
Product Parameters
| Item | High Chrome Brick | Medium Chrome brick | |
| Cr₂O₃ % | ≥93 | ≥80 | ≥70 |
| % Apparent Porosity |
≤16 | ≤16 | ≤16 |
| g/cm³ Bulk Density |
≥4.25 | ≥4.10 | ≥3.70 |
| MPa Cold Crushing Strength |
≥100 | ≥120 | ≥120 |
| ℃（0.2MPa,0.6%） Refractoriness Under Load |
≥1700 | ≥1700 | ≥1700 |
Detailed Application Scenarios
Our high chromium oxide bricks are specially designed for extreme high-temperature and strong corrosive industrial environments, providing reliable lining solutions for the following key industries:
1. Metallurgical Industry
◎ Ladle slag line, tundish nozzle, electric arc furnace bottom and side wall, converter mouth and other high-corrosion parts.
2. Non-Ferrous Metallurgy Industry
◎ Aluminum electrolysis cell lining, copper smelting furnace, zinc leaching furnace, and other parts in contact with molten non-ferrous metals.
3. Chemical Industry
◎ Sulfuric acid plant conversion furnace, chemical reactor, phosphate fertilizer furnace, and other high-corrosion high-temperature equipment.
4. Glass & Ceramic Industry
◎ Glass melting furnace throat, regenerator, ceramic sintering kiln high-temperature zone, and other corrosion-prone parts.
5. Building Materials Industry
◎ Ceramic roller kiln high-temperature zone, brick kiln lining, and refractory lining of cement kiln preheater.
Conclusion
Contact us now for a quote and experience the difference of working with the best in the business.