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Cored wire is a kind of iron alloy, cored wire will be added to the steel or iron liquid with various additives (deoxidizer, desulfurizer, modifier, alloy, etc.) crushed into a certain size, and then cold-rolled low carbon steel strip is added as a composite material of any length, mainly in three aspects of breeding, refining, and alloying of special elements.

Cored wire varieties are: calcium iron wire, pure calcium iron wire, calcium silicon iron wire, aluminum calcium iron wire, rare earth iron wire, titanium iron wire, carbon wire, etc.

Cored wire is suitable for steelmaking and casting, can purify the inclusions in steel, improve the castability of steel, improve the service life of steel, and significantly improve the alloy yield, reduce alloy consumption, reduce the cost of steelmaking, with significant economic benefits.

1. Cored wire is also conducive to regulating and controlling the content of easy-to-oxidize elements and trace elements, which can greatly improve the alloy yield, reduce smelting costs, shorten smelting time and control the composition.

2. Cored wire has the role of purifying the steel, partially changing the nature and form of inclusions, improving the quality of steel, and improving the casting condition.

3. Cored wire is divided into two types of internal extraction type and external release type. The mechanical equipment required for feeding the line is simple and reliable, and covers a small area.