Main parameters of secondary refinement and continuous casting for 400 mm wheel steel billets of grade 2 (GOST 10791–2011) manufactured by AO TAGMET are determined that provide the minimum nonmetallic inclusion content and absence of steelmaking defects detected with railway wheel ultrasonic monitoring. Additional monitoring procedures for continuously cast billet quality control are described in order to provide steel chemical composition homogeneity over a billet cross section and to minimize central porosity.

中文翻译：

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生产优质轮毂钢。第1部分。铁路车轮制造用连铸坯质量的生产方面

确定由AO TAGMET生产的2毫米等级400 mm车轮钢坯（GOST 10791–2011）的二次精炼和连续铸造的主要参数，这些参数可提供最小的非金属夹杂物含量，并且不存在通过铁路车轮超声监测发现的炼钢缺陷。描述了用于连续铸造坯料质量控制的附加监控程序，以在坯料横截面上提供钢化学成分均匀性并使中心孔隙率最小化。