Smelting method calcium aluminate FCA/FCAM
Product description
FCA/FCAM molten calcium aluminate is a kind of metallurgical auxiliary material used in steelmaking.
FCA is a non-metallic mineral with low SiO content. It has a low melting point, low viscosity of slag formed at steelmaking temperature, good fluidity, strong desulfurization ability, and some inclusions in the metal are also well absorbed. . It has the characteristics of low corrosion to the furnace lining and reduced environmental pollution.
FCAM is a material with high MgO content, especially in the high temperature steelmaking process, which can prevent excessive slag erosion. Under stable operating conditions, the service life of the ladle can be significantly increased. It can control the composition of the slag and quickly produce desulfurization. Some inclusions in the metal are also well absorbed.
Main chemical components
Components |
FCA-1 |
FCA-2 |
FCAM |
SiO2 |
≤2.8 |
≤5.0 |
≤4.5 |
Al2O3 |
38.0-42.0 |
49.0-54.0 |
42.0-45.0 |
Fe2O3 |
≤1.5 |
≤1.9 |
≤2.0 |
CaO |
42.0-45.0 |
50.0-55.0 |
31.0-33.0 |
MgO |
≤1.0 |
≤1.2 |
≤12.0 |
S- |
≤0.1 |
≤0.1 |
≤0.1 |
Additional Information
Main mineral components
•Main mineral phases: MA, C12A7, C3A, C2AS, CT
• *C=CaO, A=AI2O3, S=SiO2, T=TiO2
Physical properties
•Melting temperature: <1325°C • Bulk density: 1100-1500kg/m3
•Color: light brown • Specific gravity: 2.2~2.6g/cm3
Packaging and storage
The product can be packed in 1mt-1.2mt big bags. In order to guarantee the best quality, the product must be stored in a dry environment.
Particles
The particle size can be processed to 0~25mm, usually 90% is 3~25mm.
|
Specification |
More than the 25mm |
<10% |
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