Core wire feeding is a process used in the steel sector to help with the smelting of raw steel. The process involves coating a reactive metal wire with solid calcium in order to enhance the reaction it has when placed into the steel bath. The cored wire is then coiled into cages for use in steel and iron plants. Use of calcium cored pure wire can help reduce slag and inclusion dross. It also helps reduce the time required to cast a heat. This helps increase the yield of the smelted steel and is therefore very advantageous for the steelmaking industry.
XLS Metals is a well-established producer of high-quality pure calcium wires. With an emphasis on professional pre-and post-sales service, the company is widely known for its excellent calcium cored-wire performance. The company holds several production technology patents, and its products have received high marks from various customers.
It is possible to produce traditional cored metal by coating low-carbon steel strips cold-rolled with a calcium powder. Because the cored wire sheaths are welded together, they cannot be opened in the molten material before it has reached the depth desired in the ladle. Therefore, calcium is lost by vaporization. A high injection rate is required to produce conventional cored-wires, and this can lead to a localized supersaturation. Hi-Cal® solves this problem by utilizing a solid sheath that is made from electrolytic calcium metal, which has a 97% purity. It also absorbs calcium quickly.
Cored-wire-arc AM emerges as a notably flexible technology for compositional regulation, adeptly circumventing the complexities and poor powder utilization encountered with powder-added WAAM. This flexibility perfectly suits the demanding, high-performance requirements of components created using this method.
In order to regulate the composition of the steel, it is important to control the ratio between non-oxides and oxides. This is particularly important in the case of refractory elements like silicon, aluminum and magnesium. Due to their very different melt thermodynamics compared with pure steel, they can be difficult to control when in a molten form. Using pure calcium cored steel wire can solve this issue and allow the oxide content to be controlled in a melt. It can also improve casting characteristics, prevent inclusion dross and reduce slag. The pure calcium cored cable has many advantages.
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