Abstract
For producing high-value-added 823 shells steel used in military products ship, 50t electric arc furnace (EAF)-ladle furnace (LF)-continuous casting (CC) process was used in the test production. The results show that it is feasible to product the qualified 823 shells steel by controlling the final carbon and aluminum content, final deoxidization nitrogen fixation without titanium, controlling the superheat of the liquid steel in the tundish, spray water rate of mould, viscosity of mould powder and protection casting during the CC process.
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