Silicon barium calcium

Calcium silicon barium is a new type of aluminum-free deoxidizer iron alloy used in steelmaking.

Grade: Si50Ba15Ca10/Si50Ba13Ca13etc.
Size: Lump/Grain/Powder

Silica barium calcium is smelted from silica and barite limestone as main raw materials.

Calcium silicon barium is a good new deoxidizer in steelmaking, and has good desulfurization and phosphorus capacity. It plays a very important role in smelting steel with low sulfur and phosphorus content, and has a broad application prospect in special steel system.

Grade	chemical composition(%)
	Si	Ba	Ca	C	P	S
	≥	≤
Si50Ba15Ca10	50	15	10.0	0.40	0.05	0.05
Si50Ba13Ca13	50	13	13.0	0.40	0.05	0.05
Si50Ba16Ca8	50	16	8.0	0.40	0.05	0.05
Si45Ba10Ca8	45	10	8.0	0.40	0.05	0.05
Si45Ba15Ca10	45	15	10.0	0.40	0.05	0.05
Note: The composition ratio and granularity can be adjusted according to user requirements

Use of silicon barium calcium
Silica-barium calcium alloy is a new type of high efficiency composite alloy in barium alloy. It is the deoxidizer, desulfurizer and dephosphorization agent of steelmaking. It is a inoculant and metamorphic agent in casting.
Barium effectively reduces the vapor pressure of calcium and increases the solubility of calcium in molten steel over the range of steelmaking temperatures. Compared with the silicon calcium alloy, the calcium content of the liquid steel is about twice that of the silicon calcium alloy when the amount of calcium added to the liquid steel is half of that of the silicon calcium alloy, and the calcium content in the liquid steel is also significantly increased. The results showed that barium effectively protected calcium and reduced the oxidation of calcium in the liquid steel, thus achieving the purpose of calcium treatment in the liquid steel.

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