Castable Alumina Carbide Brick CNBM China

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Shanghai
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20 m.t.
Supply Capability:
5000 m.t./month

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Specifications

1.Passed ISO 9001;
2.With more than 15 years producing and experiences;
3. Iron ladle fire brick is widely used in iron-making

Aluminum Silicon Carbide Carbon Iron Ladle Fire Brick
Aluminum Silicon Carbide Carbon Iron Ladle Fire Brick for The Lining of Molten Pretreatment Equipments

AL2O3-SiC-C Hot Metal Fire Brick are universal materials for the lining of molten pretreatment equipments of molten iron tank, torpedo car, etc. The products are shaped by machine power by using dense bauxite clinker and brownfused alumina as base materials and adding high quality SiC fines and high purity glake fraphite. It has the advantages of excellent slag resistance, thermal shock resistance, good resistance to mechanical erosion, abrasion resistance, etc.


Main Chemical Compositions and Physical Properties of AL-SiC-C fire bricks
Aluminum Silicon Carbide Carbon Iron Ladle Fire Brick for The Lining of Molten Pretreatment Equipments

Items

Specification

ASC-ZASC-TASC-D
Chemical Compositions ( % ) ≥AL2O3555762
SiC+F.C171410
F.C864
Apparent Porosity (%) ≤81010
Bulk Density (g/cm³) ≥2.752.752.75
Comppressive Strength (Mpa) ≥354045
High Temperature Flexural Strength (MPa) (1400℃*0.5h) ≥
5
5.5
6


Castable Alumina Carbide Brick CNBM China

Castable Alumina Carbide Brick CNBM China


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Q:What are the refractory materials?
Many kinds of refractory materials, usually by refractoriness level is divided into ordinary refractory materials (1580 to 1770 DEG C), advanced refractories (1770 to 2000 DEG C) and special refractories (more than 2000 DEG C); according to the chemical characteristics into acid refractory material, refractory materials and basic refractory materials. In addition, there are refractories for special occasions.
Q:What can zirconium sponge do for those industries?
Zirconium metal, also known as sponge zirconium, silver gray metal, the appearance of steel, shiny; melting point 1852 points, sub points, boiling point 4377 density 6.49. Zirconium is easy to absorb hydrogen, nitrogen and oxygen; zirconium has a strong affinity for oxygen; at 1000 DEG C oxygen dissolved in zirconium can make its volume increase significantly. Zirconium is relatively stable in the air; powder zirconium is easy to burn; fine zirconium wires can be ignited by matches; at high temperatures they can be combined directly with dissolved oxygen, nitrogen and hydrogen.
Q:What problems should we pay attention to in the use of fused zirconia corundum brick (fused zirconia corundum brick) in glass furnace?
The expansion curves of fused cast AZS brick at 1000 DEG C near a crystal anomaly, its internal changes of ZrO2 crystal are reversible, with large volume change, therefore, products containing ZrO2, should not be used in the temperature of 1000 DEG C, often have sharp fluctuations in the position. When baking the kiln, the temperature can not be too large at 900~1150 degrees centigrade. Generally, the temperature can not exceed 15 degrees /h, and the temperature should be raised steadily. Some parts to prevent the cold, with other brick protection, to prevent explosion.
Q:What is the blast furnace ceramic cup called by the refractory factory?
The peak of new materials in various coal, metallurgy, mines, ports, electricity, building materials and military industry, a lot of workpiece and affect production equipment due to wear, wear resistant materials although rarely cause disasters metal workpiece disaster, but the resulting economic loss is immeasurable.
Q:What are the advantages of refractories?
Aluminosilicate refractory refractory material refers to SiO2-Al2O3 as the main ingredient, according to how much the Al2O3 content can be divided into semi silica (Al2O3 15~30%), clay (Al2O3 30~48%), high alumina (Al2O3 > 48%) three.
Q:Ask for help about the phase of refractory material
Secondary crystalline phase. The second phase and second phase or second phase, and the main crystal phase and is in high temperature liquid phase coexistence in refractory material, the number and influence on high temperature properties of materials is the main crystal phase is small second phases. As to the main crystalline phase of periclase magnesia chrome brick, magnesia brick, magnesia brick and magnesia calcium brick respectively containing Cr spinel, spinel, forsterite and calcium silicate two are secondary phase. There are structure of refractory refractory material in the crystal phase, especially the direct combination of high melting point and so on, the resistance to high temperature also tend to benefit. Compared with the ordinary brick, the second phase of the refractory products, make the products refractoriness under load are improved. Many according to mineral composition of refractory material named, such as mullite corundum brick, corundum mullite brick, is its main crystal phase and the second phase composite named. The former is mainly crystal phase, the latter is sub crystalline phase.
Q:How to improve the induction furnace campaign, from the promotion of refractory life start
According to the workpiece, choose the appropriate hardware castable, corundum brick or refractory bricks, etc.
Q:What is the hardness of corundum refractory bricks?
Al2O3 containing more than 90% greater than the refractory brick called corundum refractory brick, also known as pure alumina refractory products. Corundum has a high hardness (9 Mohs hardness) and a high melting point. These are closely related to the firmness of the Al - 0 bond in the structure. Therefore, a-Al2O3 is the main phase of making high temperature refractory bricks and high temperature electrical insulating materials.
Q:What is the main component of corundum?
Corundum is the main component of Al2O3, often containing trace impurities such as Cr, Ti, Fe, V and so on.
Q:What material is used in an iron smelting furnace?
Often used insulation refractories are diatomite products, asbestos products, insulation panels and so on.

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