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结合304奥氏体不锈钢高温凝固特性及现场连铸浇铸参数,分析304不锈钢连铸铸坯内外弧宽度尺寸相差约为4~7 mm的具体原因,如结晶器内外弧冷却不同、内外弧铜板锥度不同、水口不对中等。详细研究因结晶器内外弧冷却不同对铸坯内外尺寸的影响,实践证明,调整结晶器内外弧水量可以有效改善内外弧铸坯尺寸差异问题。
According to the high-temperature solidification characteristics of 304 austenitic stainless steel and cast-in-situ casting parameters, the reasons for the difference in the width of inner and outer arcs of 304 stainless steel continuous casting slab are about 4 ~ 7 mm. For example, Different, the outlet is not right. The effects of different internal and external cooling of the mold on the internal and external dimensions of the billet are studied in detail. Practice has proved that adjusting the amount of water inside and outside the mold can effectively improve the dimensional difference between the internal and external arc billet.