The use of metalurgical additives improves the performance of steel, increases the alloy yield, and reduces the smelting expenses. Cored wire is a metallurgical additive which can be used in the iron and steel industry and foundry to play a significant role in purifying molten steel, partially changing the nature and shape of inclusions, improving the castability of molten steel and reducing the clogging of the nozzle and other casting problems.
It can also be utilized in the steelmaking process as a deoxidizer and desulfurization material to lower sulfide slag deposits and improve the quality of the molten steel. This material can also be used to reduce the smelting period and improve the efficiency of the smelting.
Cored wire is a type of specialized steel-making shop assistant material. It is a rod or wire that is welded from three components: an outer steel strip, an intermediate protective coating and an inner metal calcium core. The seamless pure cored calcium wire produced is a metallurgical item that is widely used to remove inclusions, desulfurize and deoxidize steel.
Many types of cored steel wires are available on the market. They include solid pure calcium, silicon calcium, and calcium pure wire. However, they have very different effects and functions in the process. Cored wires are chosen according to the needs of steelmakers and smelters.
Compared to conventional cored wires, Max-Cal is more economical to operate because of its much higher metallurgical performance and the fact that it only requires half as much Calcium to achieve the same result. This is mainly due to the very high purity of the Calcium used (>99%) and its low Mg content, which makes it possible to achieve the same metallurgical results with less cored wire.
For the feeding of cored wires to be effective, there must be a correct operation technique. The optimal feed rate and feeding rhythm is required to allow for the solid calcium to penetrate the layer of slag. This will prevent the premature melting and oxidation.
Cored wires also need to be handled with care and properly prepared for safe use during the steelmaking procedure. Cored wires can create a variety of problems if they are not handled properly. This includes the formation long sulfide inclusions within the molten iron, which can affect the castability. The cored wire may also contaminate slag, affecting the quality of the finished product. For this reason, it is crucial to know the right way to use cored cables to maximize their metalurgical effect. In order to maximize the metallurgical effects of cored steel wires, it is necessary to keep them in a horizontal position.
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