Products Parameters
|
|
Diameter |
Thickness of outer cover |
Weight of outer cover |
Weight of calcium core |
Cal Content of core |
|
1 |
10~10.5mm |
1.5±0.2mm |
≤360g/m |
≥52g/m |
≥97% |
|
2 |
9~9.5mm |
1.0±0.2mm |
≤210g/m |
≥52g/m |
≥97% |

Products Description
Seamless pure calcium cored wire is a solid calcium cored wire, consisting of an inner pure calcium core wire and an outer metal coating. This cored wire is manufactured through a professional production process, without mechanical coating gaps, thus preventing the product from being oxidized and ineffective by air. It has a solid core inside, and the calcium content is stable and reliable, which can ensure a stable calcium-aluminum ratio after feeding the calcium wire.

The calcium content in seamless pure calcium cored wire is very high, usually reaching more than 90% or even higher. This makes it more effective in providing calcium in the metallurgical process. Since seamless pure calcium-cored wire has no mechanical coating gaps, it is not easy to break or jam the wire during the wire feeding process. At the same time, its low wire feeding speed can also effectively prevent fatal problems such as splashing. Seamless pure calcium cored wire can greatly improve the calcium recovery rate, which is usually several times higher than that of ordinary calcium wire. This is mainly due to its seamless structure and stable calcium composition. Seamless pure calcium cored wire can change the nature and morphology of inclusions in molten steel, improve the castability and mechanical properties of molten steel. At the same time, it can also reduce and eliminate the problem of nozzle blockage in continuous-casting steel and improve the casting state of molten steel.

Seamless pure calcium cored wire is mainly used in the iron and steel metallurgical industry for calcium treatment of molten steel. It is suitable for purifying molten steel and improving performance during the refining process outside the furnace. Adding seamless pure calcium cored wire in the steelmaking process can improve the purity of molten steel, filter out impurities, and improve its comprehensive performance.

The production process of seamless pure calcium cored wire includes the steps of calcium rod preparation, preheating, extrusion, cooling, coating, rewinding and packaging. During the production process, the quality of raw materials and production process parameters need to be strictly controlled to ensure the quality and performance of the product. At the same time, the finished product needs to be strictly inspected and tested to meet the application requirements of different fields. Specifically, calcium rods are usually made of high-purity metallic calcium through smelting and casting. Then, the calcium rods are preheated and extruded into calcium wires. Next, the calcium wires are cooled and coated with metal strips. Finally, after steps such as rewinding and packaging, seamless pure calcium-cored wire products can be obtained.
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