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High Chromium Oxide Bricks from China Suppliers - Erosion & Heat Resistant for Industrial Furnaces Factory
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 |
| Bulk Density g/cm³ | ≥4.25 | ≥4.10 | ≥3.70 |
| Cold Crushing Strength MPa | ≥100 | ≥120 | ≥120 |
| Refractoriness Under Load ℃ (0.2MPa, 0.6%) | ≥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.
Frequently Asked Questions
Q
What is the maximum operating temperature of high chrome bricks?
High chrome bricks can maintain long-term stable performance at temperatures up to 1800℃, with a low thermal expansion coefficient that prevents deformation or softening under high-temperature load, making them ideal for the most demanding furnace applications.
Q
What is the difference between High Chrome Brick and Medium Chrome Brick?
High Chrome Brick contains ≥93% Cr₂O₃ with a bulk density of ≥4.25 g/cm³, offering the highest purity and chemical resistance. Medium Chrome Brick is available in ≥80% and ≥70% Cr₂O₃ grades, providing excellent performance at a more versatile specification range for different application requirements.
Q
Which industries are chrome oxide bricks most suitable for?
Chrome oxide bricks are widely used across metallurgical, non-ferrous metallurgy, chemical, glass & ceramic, and building materials industries. They are particularly effective in environments involving molten slag, corrosive gases, high-temperature abrasion, and contact with molten metals or chemicals.
Q
Are chrome oxide bricks compatible with different furnace atmospheres?
Yes. Chrome oxide bricks exhibit stable performance in oxidizing, reducing, and neutral atmospheres, making them highly versatile for a wide range of complex industrial furnace working conditions without compromising structural integrity.
Q
What mechanical strength can I expect from these bricks?
Our chrome oxide bricks offer a room temperature cold crushing strength of ≥100–120 MPa (depending on grade), combined with excellent flexural strength. They are engineered to withstand heavy mechanical loads and thermal stress without cracking or spalling.
Q
How can I get a customized quote for my project?
Simply fill in the contact form above with your project details, including the application type, required dimensions, quantity, and any special requirements. Our technical team will review your inquiry and provide a tailored quotation promptly.