ARGON-OXYGEN DECARBURIZATION PDF

Process Decarburization Prior to the decarburization step, one more step should be taken into consideration: de-siliconization, which is a very important factor for refractory lining and further refinement. The decarburization step is controlled by ratios of oxygen to argon or nitrogen to remove the carbon from the metal bath. The ratios can be done in any number of phases to facilitate the reaction. The stages of blowing remove carbon by the combination of oxygen and carbon forming CO gas. The burning of carbon increases the bath temperature.

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Customer Tools Argon Oxygen Decarburization AOD The argon oxygen decarburization AOD process is used to make stainless steel and specialty grades of steel, including tool steels, silicon steels, low-alloy steels, and low-carbon steels. In this process the tuyeres are submerged, resulting in high element recovery, rapid and efficient desulfurization, and good control of the slag chemistry. The two most important steps in this process are decarburization and reduction. Decarburization, which occurs when oxygen is blown through the tuyeres, reduces the amount of carbon in the steel.

Decarburization also results in the oxidation of the metals in the steel. The metallic oxides are transferred from the slag into the metal via the heterogeneous slag-metal reactions. The AOD process takes place in a vessel that consists of the following components: sub-bottom, bottom, tuyeres, tuyere pad, pour pad, and cone.

Refractory selection depends on a number of variables, including chromium pickup, wear mechanisms, desulfurization, spalling, hydration, and processing temperature. Cost and turn-around time are variables that also must be considered.

From high-purity, rebonded, fused-grain magnesia-chrome refractories to high-purity, direct-bonded magnesia-chrome refractories, our products provide you with the properties you need to extend campaign performance. We work very closely with our customers to analyze and modify slag chemistry to best interact with magnesia-chrome refractories.

Each slag control recommendation is customized to maximize performance. It contains percent fused magnesia-chrome grain, which makes the brick resistant to mechanical and chemical erosion. They contain substantial amounts of fused grain, which makes the bricks resistant to slag. Related Applications.

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Argon oxygen decarburization

Decarburization[ edit ] Prior to the decarburization step, one more step should be taken into consideration: de-siliconization, which is a very important factor for refractory lining and further refinement. The decarburization step is controlled by ratios of oxygen to argon or nitrogen to remove the carbon from the metal bath. The ratios can be done in any number of phases to facilitate the reaction. The stages of blowing remove carbon by the combination of oxygen and carbon forming CO gas. The burning of carbon increases the bath temperature.

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Argon-oxygen decarburization

Customer Tools Argon Oxygen Decarburization AOD The argon oxygen decarburization AOD process is used to make stainless steel and specialty grades of steel, including tool steels, silicon steels, low-alloy steels, and low-carbon steels. In this process the tuyeres are submerged, resulting in high element recovery, rapid and efficient desulfurization, and good control of the slag chemistry. The two most important steps in this process are decarburization and reduction. Decarburization, which occurs when oxygen is blown through the tuyeres, reduces the amount of carbon in the steel. Decarburization also results in the oxidation of the metals in the steel. The metallic oxides are transferred from the slag into the metal via the heterogeneous slag-metal reactions. The AOD process takes place in a vessel that consists of the following components: sub-bottom, bottom, tuyeres, tuyere pad, pour pad, and cone.

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