Novel slag system for improving quality of electroslag remelted steel ingots
A technology of electroslag remelting steel and slag system, applied in the field of new slag system, to achieve the effect of improving structure and performance, good submerged arc performance, and improving hot workability
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[0023] Specific embodiments of the present invention are described below.
[0024] The present embodiment adopts specific composition and weight percentage as follows:
[0025] CaF 2 65%,
[0026] Al 2 o 3 twenty two%,
[0027] CaCO 3 8%,
[0028] Y 2 o 3 5%.
[0029] The method of use is as follows:
[0030] Firstly, batching is carried out according to the above-mentioned formula, and slag is obtained for matching blanking. The electroslag remelting and refining of the consumable electrode steel ingot is carried out by using a commonly used crystallizer with a molten pool or a molten pool. First use hot slag to ignite, that is, to melt the electroslag at 1500°C with a melting slag furnace, and then inject it between the consumable electrode and the crystallizer, so that the slag covers the steel ingot, and acts as a resistance heating element to carry out electroslag gravity The process of melting and refining.
[0031] Electroslag ingo...
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