High Level Metal Alloy Cored Wire

A titanium-silicon alloy cored wire comprises a core layer and an outer layer wrapping the core layer, wherein the core layer contains 5099 wt% titanium-silicon alloy and 150 wt% iron powder. The cored wire of the present invention is used in LF or RH refining to alloy the molten steel titanium, so that the yield of titanium can reach more than 83%.

1.Yttrium-based heavy rare earth magnesium alloy cored wire and its application in the preparation of thick vermicular graphite cast iron castings; the yttrium-based heavy rare earth magnesium alloy cored wire comprises: outer skin; alloy powder encased in the outer skin; The alloy powder comprises the following components: Mg 5wt%~15wt%; Si 40wt%～60wt%; Y 1.2wt%～2.1wt%; La 2.1wt%～4.2wt%; Fe margin. The provided yttrium-based heavy rare earth magnesium alloy cored wire adopts alloy powder with specific content components, which is suitable for the production of vermicular graphite cast iron by wire feeding method, and the appropriate amount of yttrium-based heavy rare earth reduces the creep decay and inoculation decline of thick vermicular graphite cast iron molten iron, and at the same time reduces the segregation of magnesium elements and light rare earth elements, and can avoid the appearance of flake graphite when producing vermicular graphite cast iron castings with large cross-section, long solidification time or large difference in wall thickness, obtain evenly distributed graphite structure, and reduce graphite coarseness, graphite distortion and carbide production; In addition, it can expand the content range of raw molten iron and increase the width range of the creep wire to join the length.

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