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High-Quality Chromium Oxide Bricks from China Suppliers | Erosion & Heat Resistant Factory Solutions
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
What is the maximum service temperature of high chrome bricks?
High chrome bricks with Cr₂O₃ ≥93% can withstand long-term service temperatures up to 1800℃, making them suitable for the most demanding high-temperature industrial furnace applications.
What is the difference between high chrome brick and medium chrome brick?
High chrome brick contains ≥93% Cr₂O₃ and offers superior corrosion resistance and higher bulk density (≥4.25 g/cm³), while medium chrome brick contains 70–80% Cr₂O₃ with slightly lower density but still excellent performance for most industrial applications.
Can chrome oxide bricks be used in reducing atmospheres?
Yes. Chrome oxide bricks demonstrate stable performance in oxidizing, reducing, and neutral atmospheres, making them highly versatile for a wide range of industrial furnace environments.
Which industries are chrome oxide bricks most commonly used in?
Chrome oxide bricks are widely used in the metallurgical industry, non-ferrous metallurgy, chemical industry, glass and ceramic industry, and the building materials industry — anywhere extreme heat and corrosive conditions are present.
What is the cold crushing strength of your high chrome bricks?
Our high chrome bricks achieve a cold crushing strength of ≥100 MPa, while medium chrome bricks reach ≥120 MPa, ensuring structural integrity under heavy industrial loads and thermal stress.
How do I request a custom quote for chrome oxide bricks?
Simply fill out the contact form above with your project details — including required Cr₂O₃ grade, quantity, dimensions, and application conditions — and our technical team will respond promptly with a tailored quotation.