| 摘要 |
PURPOSE:To increase the desulfurizing power of the resulting refining agent, to reduce the melt fracture on refractories, and to make the agent inexpensive by providng a specified composition contg. CaO, Al2O3, CaF2, an alkali metallic oxide or carbonate, and MgO. CONSTITUTION:This refining agent is obtd. by combinedly adding 5-20wt% alkali metallic oxide or carbonate and 3-10wt% MgO to a mixture consisting of, by weight, 30-70% CaO, 10-40% Al2O3 and 5-30% CaF2. The refining agent is suitable for use in the desulfurization of molten steel, especially molten stainless steel which is difficult to desulfurize. |
