What is the impact of metallurgical cored wire on steelmaking efficiency?
Metallurgical cored wire is an important material used in the steelmaking process, mainly for steel refining and alloying. It is usually made of metal or alloy powder wrapped in steel or aluminum strip, and the core wire is fed into the molten steel through the wire feeder to achieve the purpose of deoxidation, desulfurization and alloying of molten steel. The application of metallurgical cored wire has a significant impact on steelmaking efficiency, steel quality and production costs. The following is a detailed analysis of the impact of metallurgical core wire on steelmaking efficiency from various aspects.
We also can supply other alloy core wire as following.
| Alloy Cored Wire Type | Diameter | Filling rate | Specification |
| CaSi Cored Wire | 9mm/13mm/16mm | 120/225/330 | Ca:30%min Si:55%min Al:1.5%max S:0.06%max C:1.0%max Fe:4%max P:0.05%max |
| CaFe Cored Wire | 9mm/13mm/16mm | 140/260/360 | Ca:30%min Fe:68%min Al:0.8%max |
| C Cored Wire | 9mm/13mm/16mm | 55/140/210 | C:98.5%min Ash:0.45%max V:0.4%max S:0.5%max H2O:0.3%max P:0.2%max |
| Pure Ca Cored Wire | 9mm/13mm | 58/155 | Ca:98.5%min Mg:0.5%max Al:0.5%max |
| Solid Ca Cored Wire | 9mm/10mm | 9mm/10mm | Ca:98.5%min Mg:0.5%max Al:0.5%max |
| FeS Cored Wire | 9mm/13mm | 220/370 | S:48%min Pb:0.1%max Zn:0.1%max As:0.1%max Fe:43%-45% Cu:0.05%max Moisture:0.5%max SiO2:2.5%max |
| CaAlFe Cored Wire | 9mm/13mm | 130/230 | Ca:40% Fe:30% Al:30% |
| Pure Mg Cored Wire | 9mm/13mm | 80/170 | Mg:99%min |
| SiBaCa Cored Wire | 9mm/13mm | 110/260 | Si:40%-50% Ba:10%-20% Ca:20%-30% |
| FeSi Cored Wire | 9mm/13mm | 150/350 | Si:75%min Fe:Balance |
1. Improve the efficiency of steel refining
One of the main functions of metallurgical core wire is to promote the steel refining process. By adding the deoxidizer (such as calcium silicon, aluminum, etc.) or desulfurizer (such as magnesium, calcium, etc.) into molten steel in the form of cored wire, it can be quickly and uniformly distributed into the molten steel, significantly improving the efficiency of deoxidation and desulfurization. Compared with the traditional block or powder addition method, the core wire can reduce the reaction time and avoid the fluctuation of molten steel composition, thus improving the refining efficiency.
For example, in the steel desulfurization process, the use of magnesium-based cored wires can quickly reduce the sulfur content to a low level while reducing the consumption of desulfurizer. This efficient desulfurization not only improves the efficiency of steelmaking, but also reduces the burden of subsequent treatment processes.
2. Optimizing the alloying process
Metallurgical cored wire also plays an important role in the steel alloying process. By adding alloying elements (such as manganese, silicon, vanadium, titanium, etc.) to molten steel in the form of core wire, it can realize the control of alloying elements and improve the yield of alloy. The traditional alloy adding method often exists uneven distribution of alloying elements, low yield problems, while the core wire can effectively solve these problems.
For example, in the production of micro-alloyed steel, the use of titanium-based or vanadium-based cored wire can control the content of micro-alloying elements in the steel, thereby improving the strength and toughness of the steel. This precise alloying not only improves the efficiency of steelmaking, but also reduces the waste of alloying elements.
