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Get PriceMagnesia carbon refractory brick combines excellent heat resistance of magnesia (MgO) and the mechanical strength of carbon (C). Kerui offers reference MgO-C brick price as more than 2.22-6.90 USD per piece. The final cost is affected by specification, quantity, shipment etc.
MgO (≥)
C (≥)
Bulk Density
Cold Crushing Strength
Other names of Kerui magnesia carbon refractory brick are magnesium carbon brick, magnesite carbon brick, mag carbon brick, MgO-C brick and so on. These different expressions refer to magnesia carbon refractory brick.
In addition to MgO and C, magnesia carbon brick also adds tar pitch or resin as a binder. The MgO content is above 69% and C content is above 10%. Excellent and precise raw materials create excellent performance of magnesia carbon heat refractory brick.
Kerui provides more than 20 kinds of magnesia carbon bricks for sale. You can refer the table below to confirm which kind of brick you need. Please tell Kerui the magnesia carbon refractory you need and you’ll get a quick reply.
| Item/Grade | ω (MgO)/% | ω (C)/% | Bulk Density (g/cm³) | Cold Crushing Strength/MPa | Apparent Porosity/% | High-temperature Bending Strength (1400℃*0.5h)/MPa | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| μ0 ≥ | σ | μ0 ≥ | σ | μ0 ≥ | σ | μ0 | σ | μ0 ≤ | σ | μ0 ≥ | σ | |
| MT-5A | 85.0 | 1.5 | 5.0 | 1.0 | 3.10 | 0.05 | 50.0 | 10.0 | 5.0 | 1.0 | / | / |
| MT-5B | 84.0 | 1.5 | 5.0 | 1.0 | 3.02 | 0.05 | 50.0 | 10.0 | 6.0 | 1.0 | / | / |
| MT-5C | 82.0 | 1.5 | 5.0 | 1.0 | 2.92 | 0.05 | 45.0 | 10.0 | 7.0 | 1.0 | / | / |
| MT-5D | 80.0 | 1.5 | 5.0 | 1.0 | 2.90 | 0.05 | 40.0 | 10.0 | 8.0 | 1.0 | / | / |
| MT-8A | 82.0 | 1.5 | 8.0 | 1.0 | 3.05 | 0.05 | 45.0 | 10.0 | 4.5 | 1.0 | / | / |
| MT-8B | 81.0 | 1.5 | 8.0 | 1.0 | 3.00 | 0.05 | 45.0 | 10.0 | 5.0 | 1.0 | / | / |
| MT-8C | 79.0 | 1.5 | 8.0 | 1.0 | 2.90 | 0.05 | 40.0 | 10.0 | 6.0 | 1.0 | / | / |
| MT-8D | 77.0 | 1.5 | 8.0 | 1.0 | 2.87 | 0.05 | 35.0 | 10.0 | 7.0 | 1.0 | / | / |
| MT-10A | 80.0 | 1.5 | 10.0 | 1.0 | 3.02 | 0.03 | 40.0 | 10.0 | 4.0 | 0.5 | 6.0 | 1.0 |
| MT-10B | 79.0 | 1.5 | 10.0 | 1.0 | 2.97 | 0.03 | 40.0 | 10.0 | 4.5 | 0.5 | / | / |
| MT-10C | 77.0 | 1.5 | 10.0 | 1.0 | 2.92 | 0.03 | 35.0 | 10.0 | 5.0 | 0.5 | / | / |
| MT-10D | 75.0 | 1.5 | 10.0 | 1.0 | 2.87 | 0.03 | 35.0 | 10.0 | 6.0 | 0.5 | / | / |
| MT-12A | 78.0 | 1.2 | 12.0 | 1.0 | 2.97 | 0.03 | 40.0 | 10.0 | 4.0 | 0.5 | 6.0 | 1.0 |
| MT-12B | 77.0 | 1.2 | 12.0 | 1.0 | 2.94 | 0.03 | 35.0 | 10.0 | 4.0 | 0.5 | / | / |
| MT-12C | 75.0 | 1.2 | 12.0 | 1.0 | 2.92 | 0.03 | 35.0 | 10.0 | 4.5 | 0.5 | / | / |
| MT-12D | 73.0 | 1.2 | 12.0 | 1.0 | 2.85 | 0.03 | 30.0 | 10.0 | 5.5 | 0.5 | / | / |
| MT-14A | 76.0 | 1.2 | 14.0 | 1.0 | 2.95 | 0.03 | 38.0 | 10.0 | 3.5 | 0.5 | 10.0 | 1.0 |
| MT-14B | 74.0 | 1.2 | 14.0 | 1.0 | 2.90 | 0.03 | 35.0 | 10.0 | 3.5 | 0.5 | / | / |
| MT-14C | 72.0 | 1.2 | 14.0 | 1.0 | 2.87 | 0.03 | 35.0 | 10.0 | 4.0 | 0.5 | / | / |
| MT-14D | 68.0 | 1.2 | 14.0 | 1.0 | 2.81 | 0.03 | 30.0 | 10.0 | 5.0 | 0.5 | / | / |
| MT-16A | 74.0 | 1.2 | 16.0 | 0.8 | 2.92 | 0.03 | 35.0 | 8.0 | 3.5 | 0.5 | 8.0 | 1.0 |
| MT-16B | 72.0 | 1.2 | 16.0 | 0.8 | 2.87 | 0.03 | 35.0 | 8.0 | 3.5 | 0.5 | / | / |
| MT-16C | 70.0 | 1.2 | 16.0 | 0.8 | 2.82 | 0.03 | 30.0 | 8.0 | 4.0 | 0.5 | / | / |
| MT-18A | 72.0 | 1.2 | 18.0 | 0.8 | 2.89 | 0.03 | 35.0 | 8.0 | 3.0 | 0.5 | 10.0 | 1.0 |
| MT-18B | 70.0 | 1.2 | 18.0 | 0.8 | 2.84 | 0.03 | 30.0 | 8.0 | 3.5 | 0.5 | / | / |
| MT-18C | 69.0 | 1.2 | 18.0 | 0.8 | 2.79 | 0.03 | 30.0 | 8.0 | 4.0 | 0.5 | / | / |
Magnesia carbon refractory brick exhibits excellent resistance to thermal shock, which makes it ideal for applications involving rapid temperature changes and cycling. Whether it’s in the intense heat of a blast furnace or the fluctuating temperatures of a ladle, Kerui magnesia carbon brick keeps performing reliably. Moreover, it reduces the risk of thermal shock-related failures.
The carbonaceous component in magnesia carbon refractory brick provides exceptional resistance to chemical corrosion, which makes it suitable for environments where contact with molten metals, slag, or aggressive chemicals is a concern. Correspondingly, this quality ensures that the bricks remain durable and dependable, even when exposed to harsh chemicals, slag, or molten metals. By choosing Kerui, customers can extend the lifespan of their refractory linings and minimize costly maintenance.
The combination of magnesia and carbon results in a refractory brick with superior mechanical strength, enabling it to withstand heavy loads, abrasion and mechanical stress. Additionally, this means they can withstand the stress and abrasion commonly encountered in industrial applications. Whether it’s in the steel industry or non-ferrous metallurgy, Kerui magnesite carbon bricks maintain their structural integrity, which ensures long-term performance and reliability.
The presence of carbon in magnesia carbon refractory brick enhances its thermal conductivity, which facilitates efficient heat transfer and distribution within high-temperature equipment. Besides, this property allows for faster and more efficient heat distribution, contributing to better temperature control and energy savings. As a result, customers can achieve greater process efficiency while reducing operating costs.
The unique properties of this magnesia brick contribute to its longevity and resistance to wear, resulting in reduced maintenance and downtime costs. Moreover, these bricks are designed to withstand the harshest conditions and maintain their performance over an extended period. Therefore, this longevity translates to significant cost savings by reducing the frequency of brick replacements and associated downtime.
The production of magnesia carbon brick doesn’t need sintering, which has shorter production cycle and can delivery quickly. Here is description of how are magnesia carbon bricks made:
Crush natural magnesia and other raw materials into specified size. The quality inspection department will check the appearance, size, color and chemical compositions. The superior raw material will be transported into fully automatic batching system.
Kerui advanced press machine can mold magnesia bricks with precise shape and size. Moreover, as the molding pressure increases, the strength, density and load softening temperature of this fire resistant brick for sale will also increase accordingly.
In the heat treatment system, Kerui workers will put magnesia bricks into high temperature kilns at 220℃ (428℉). Additionally, MgO and C with high purity react chemically at this temperature and form a compact structure.
Kerui workers and quality inspection department will check the finished magnesia carbon bricks carefully. Kerui staff will pack the high-quality magnesia carbon bricks will in strict accordance with customer requirements and ship them to the customer’s location in time.
Due to excellent characteristics, magnesia carbon fire brick is very suitable for iron and steel smelting. Carbon materials are not easily corroded by slag and molten steel. Besides, magnesia has high refractoriness, strong slag resistance and creep resistance and can well deal with slag lines and steel ports that are severely damaged by corrosion. Customers often use this brick in converters of steelmaking furnaces, electric arc furnaces, inner linings, ladle slag lines, refining furnaces and other parts.
In addition to the steel industry, magnesium carbon bricks have wide applications in other high-temperature kilns that are severely eroded by alkaline substances. Such as basic oxygen furnace lining, metallurgical furnace, cement furnace, working lining of ceramic furnace and other parts. Therefore, Kerui magnesia carbon refractory brick is suitable for all kinds of high temperature furnaces and kilns. Many customers choose the magnesium carbon brick for their business.
Kerui has engineers who are professional in magnesia carbon bricks. They can provide perfect magnesia brick solutions. Professional engineers are ready to solve your problems at any time.
The quality inspection department strictly controls all production links of magnesia carbon bricks. In addition to meeting the ISO international production standards, it must also far exceed the peer standards.
Kerui exported magnesia carbon brick to more than 30 countries and 5 continents. With excellent quality and responsible service, Kerui has accumulated a good reputation in the international market.
Kerui Company provides comprehensive services for global customers, including complete solutions for magnesia carbon bricks, technical support, after-sales service and so on. Kerui’s professional team provides one-stop service for customers.
Consider what kind of physical and chemical environment the magnesia carbon brick will expose and customize the chemical composition of this brick. For example, you can add oxidizers to slow down the oxidation rate of magnesia carbon bricks.
Generally speaking, many different refractory materials are required for the masonry of high-temperature kilns. Make sure that the magnesia carbon bricks are installed with the correct technique. In addition, sufficient curing time needs to be allowed after installation to ensure stronger bonding between magnesia carbon bricks.
Regular inspection is necessary to find problems and fix them on time. Kerui after-sales team offers professional inspection manual for your reference. If you buy refractory brick wholesale, please contact Kerui and you can get professional technical support and regular inspection.
Each brick has clear instructions on the use temperature, load softening temperature, thermal shock resistance and other indicators. Besides, it is necessary to confirm and evaluate the operating conditions before the start-up of the kiln. Using within the limit of magnesia carbon brick can prolong the service life to the greatest extent.
Kerui magnesia carbon bricks are very hard and have excellent performance in all aspects. At the same time, Kerui will provide support to customers from all aspects. Cooperating with reliable magnesia carbon brick supplier will benefit you a lot! If you have a demand for magnesia carbon bricks, please contact us immediately. You can also learn more through Kerui social media platforms.