Smelting method for electrode bar base material for electroslag remelting of H13 steel at protective atmosphere
A technology of electroslag remelting and protective atmosphere, which is used in casting molten material containers, manufacturing tools, metal processing equipment, etc., can solve the problems of low cleanliness and high oxygen content, and achieve the effect of improving cleanliness and reducing inclusion content.
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[0039] This embodiment provides three groups of electrode rod base materials for protective atmosphere electroslag remelting H13 steel smelted by the smelting method of the present invention, such as Examples 1, 2 and 3. The specific smelting process includes the following steps:
[0040] a. Electric furnace steelmaking takes scrap steel, ferroalloy, structural parts, recarburizer and pig iron for batching; puts lime on the bottom of the furnace and then loads the material, and sends electricity to melt; the furnace material is fully melted to control the temperature, single-tube low-pressure deep oxygen blowing, and fully stirred. , Sampling and analysis of components, controlling the contents of [C] and [S] to obtain molten steel. The specific process parameters are shown in Table 1.
[0041] Table 1 EAF steelmaking process parameters
[0042] example Oxygen blowing temperature / ℃ [C] Content / % [S]Content / % 1 1608 0.05 0.04 2 1607 0.05 0.06 3 1...
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