Silica-calcium-barium aluminum is a better deoxidizer and desulfurizer in barium alloy, which reduces the oxygen in steel to a low level. Meanwhile, the complex oxides containing calcium, barium, silicon and aluminum formed are easy to float from the liquid steel, purify the liquid steel, and improve the impact toughness and machining performance of steel.
Silica-aluminum-barium calcium alloy is a better deoxidizer and desulfurizer in barium alloy, which can reduce the oxygen content of steel to a lower level, and form complex inclusions containing calcium, barium, aluminum, etc., which are easy to float from the pot liquid, purity the liquid steel, and improve the impact toughness and processing performance of steel. The use of silica-aluminum-barium calcium alloy is relatively better than pure aluminum, ferrosilicon, silica-calcium alloy effect, alloy utilization rate is high.
Production method: First of all, the silica, bauxite, coke mixed evenly, adding to the ore furnace melting, the production of silicon aluminum alloy. Then add CaO and coke in batches to form silicon calcium aluminum. Then add barium ore and coke in batches to promote the formation of silicon calcium barium aluminum alloy. The general composition of silicon calcium barium aluminum alloy is: Si>30%, Ca>6%, Ba>9%. Al>8%.
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