High Level Alloy CaSi Cored Wire

A kind of CaSi cored wire, which belongs to the technical field of cored wire used in the refining process. The main points of the technical scheme of the present invention are: a silicon-calcium-carbon core-clad wire is made up of an aluminum strip sheath and a core powder wrapped in the aluminum strip sheath, and the core powder is prepared by the raw materials of the following weight percentage ratio: 70% of silicon-calcium alloy powder, the particle size of this silicon-calcium alloy powder is less than 2mm, and the content of calcium ≥30wt%, the content of silicon is 58wt%-60wt%, and the balance is iron; The toner is 30%, the purity of the toner is higher than 97%, and the particle size is less than 2mm. The silicon-calcium carbon cored wire of the present invention has good deoxidation effect, reduces steelmaking cost, and improves steelmaking efficiency.

1.A kind of high-efficiency composite cored wire, comprising: solid pure metal calcium wire, the outer surface of solid pure metal calcium wire is covered with powder layer powder outer coated steel skin cladding The advantages are: compared with CaSi cored wire, calcium iron cored wire and pure calcium cored wire, the utility model discloses a high-efficiency composite cored wire retains the advantages of pure calcium cored wire that the calcium content is accurate, uninterrupted, and the yield is high, and the reaction depth of calcium in molten steel is increased simultaneously, and the splash in the process of calcification of molten steel is greatly reduced, and the yield of calcium is further improved, and the safety of use is improved simultaneously, which reduces the nitrogen increase of molten steel. At the same time, due to the increase in wire diameter, the problem of slippage in the wire feeding process is avoided.

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