Si-Ba-Ba-Ca ferroalloy is in the best of the alloy composite deoxidation agents and efficient Deoxidizer.
Because barium in the solubility of iron smaller, but also dissolved calcium and lower vapor pressure of calcium, barium calcium alloy alumina to fully enhance the calcium in the deoxy and processing of non-metallic inclusions in the role of the results showed that the use of: Alumina Ba-Ca alloy billets deoxy can support the entire content of between 9-15 ppm; can inclusions in steel (compared with other Deoxidizer) reduced by about 75-80 per cent; can inclusions in the area of distribution decreased trend, the reasons for the Si-Ba-Ca deoxy its inclusion gathered up and float up to speed faster than aluminum deoxy; able to make rapid inclusion of the quantity of lower level; inclusions can change shape, the inclusion of the ball role is obvious; can refine ferrite grains and improve the impact resistance of steel toughness and processing performance, improve water flow and prevent the inlet plug.
Alumina barium calcium for the use of steel sphere of the steelmaking process can be reduced (to replace the use of a variety of Deoxidizer), enhance product quality, reduce production costs.
Uses: In the refining and alloy steel, molybdenum often associated with chromium, nickel, vanadium, and other associated elements, the steel has uniform crystal structure, improve the strength of steel, elastic limit, abrasion resistance and impact strength properties. Packaging and size :20-50 kg / packaging, can provide 10-100 mm, 10-50mm, 10mm following different size products.
More than 40% silicon, calcium greater than 6%, greater than 6% aluminum, barium greater than 12%, less than 0.4 percent of carbon P less than 0.05 percent, less than 0.1 percent sulfur.
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Specifications
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Chemical composition%
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Si
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Al
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Ba
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Ca
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S
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P
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C
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Fe
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FeA16Ba15Ca6Si50
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≥50
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≥6
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≥15
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≥6
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≤0.08
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≤0.03
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≤0.5
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Cushion
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FeA18Ba14Ca8Si45
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≥45
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≥8
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≥14
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≥8
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≤0.08
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≤0.03
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≤0.5
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Cushion
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FeA110Ba13Ca8Si40
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≥40
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≥10
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≥13
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≥8
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≤0.08
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≤0.03
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≤0.5
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Cushion
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FeA18Ba12Ca10Si40
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≥40
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≥8
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≥12
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≥10
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≤0.08
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≤0.03
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≤0.5
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Cushion
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|
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