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1.概述 1969年日本金属工业公司相模原厂安装了一台三菱公司设计的立式连铸机(见表1),次年安装了一台AOD精炼炉~([1]),形成了EF—AOD—CC的生产流程,开始生产包括钛不锈钢(321号)在内的各种不锈钢。连铸钛不锈钢的技术发展主要经历了投产、稳定操作和表面质量改善以及内部质量改善这三个时期。 2.投产时期(1970年)的一些经验投产时期遇到的问题主要是:当浇注温
1. Overview In 1969, Sagamihara Factory installed a vertical continuous caster designed by Mitsubishi Corporation (see Table 1) and installed an AOD refining furnace ([1]) in the following year to form the EF- AOD-CC production process began to produce a variety of stainless steel, including titanium stainless steel (321). The technical development of continuous casting titanium stainless steel mainly experienced three periods of production, stable operation and surface quality improvement and internal quality improvement. 2. Production period (1970) some of the experience encountered during the commissioning of the main problems are: when pouring temperature