It is widely used by iron and steel industries to treat steel using pure calcium cored wire. It can significantly reduce the harmful element content in molten stainless steel, change its shape and composition, prevent nozzle blockage for continuous casting of aluminum killed steel molten, and improve quality of molten product.
The traditional calcium-cored wire is made of a metal sheet on the outside, and a solid metal Calcium powder on the interior. It is fed through the steel wire feed into the ladle with molten iron. This type of cored steel wire is a major environmental polluter, it can cause serious splashing, and it can easily burn the operators. The calcium powder granules are easily oxidized and leaky, which results in low alloy content, and inaccurate composition control.
Pure calcium cored wire machines are becoming increasingly important in the steel sector due to the advancement of technology and the demand for high quality steel. The cored cable is made of a steel strip outside, a protective covering and a metal-calcium core. This core allows the steelmaking process to be more efficient by allowing metallurgical elements to be added.
Compared with the traditional calcium cored wire, the new technology of Hi-Cal(r) has many advantages, including its high metallurgical performance, simple operation, and lower costs. Its advantage is the fact that the wire is made from solid calcium and has a welded coating. This prevents the core material from evaporating during the remelting. This technology reduces the waste of remelting materials and increases the efficiency during the steelmaking. It also reduces the costs of calcium treatment.
This technology of the pure calcium cored steel wire consists of three major parts: an outer layer, a middle coating, as well as the inner core metal. The outer layer is a cold-rolled low carbon steel strip that is welded to the protective coating, and the middle is a solid core of metal calcium. The solid calcium-cored wire is a high melting and boiling temperature, so it can melt faster than molten steel. This ensures that the cored copper wire can penetrate through the slag layer and reach molten iron.
The cored wire can be used in many ways in the steelmaking process, such as deoxidation, desulfurization, and inclusion removal. It is a useful tool for reducing the oxygen concentration in molten steel, which helps to enhance the quality of the final product and its machinability. It also helps remove nonmetallic impurities in molten steel through calcium reaction. The cored cable can also help improve the mechanical characteristics of the final product by alloying the molten material. The steelmaking process for molten steel can be complex and the metallurgical characteristics are dependent on many factors.
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