Calcium aluminate /synthetic slag


Synthetic slag consists of prepared mixture of several individual oxides which is used during secondary steelmaking to assist the steel treatment in the ladle from the viewpoint of effective refinement. Synthetic slag practice is normally used to obtain clean steels and also for the desulphurization of the liquid steel.


Category CaO Al2O3 SiO2 TiO2 Fe2O3 MgO F(CaF2) P.S
WCA-3.5 49-54 40-45 3.5 2.8 2.0 2.0   0.05
WCA-3.5(2) 50-56 36-44 3.5         0.05
WCA-6.0 47-52 40-45 6.0 2.8 2.0 2.0   0.05
WCA-25 34-38 33-37 22-26 2.5 2.0 2.0   0.05
WCA-C53 53-58 33-37 4 2 1.5 3   0.05
WCA-F10 56-58 18-20 5     5-8 10 0.05
WCA-F25 38-42 28-32 5       23-27 0.05
WCA-M3 45-55 40-45 4     2-4   0.05

Calcium Aluminate Slag provides benefits:

Savings on the elimination or reduced consumption of dolomitic lime, fluorspar, aluminum and calcium carbide.

Ladle refractory protection.

Energy savings at ladle furnaces.

Consistent slag chemistry.

Faster steel refining times.

Sulpher and inclusion removal in steel.

Greater casting yields through improved castability.

Application for aluminum and silicon-killed grades.

Keywords:

Calcium aluminate Synthetic slag steelmaking Desulfurizer

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