It is proposed to use a new submersible nozzle with eccentric apertures in order to improve continuously-cast slab quality. Calculations show that up to 38% of the heat of steel overheating is removed in the upper part of the crystallizer. The number of equiaxed crystals increases by several factors with an increase in crystallization rate. Pilot plant approval of advanced continuous casting of low-carbon and low-alloy steels makes it possible to improve hot rolled metal strength and toughness. Forecasting low-carbon steel sheet ultimate strength and relative elongation is conducted using known experimental equations. Rolled steel quality is evaluated from slabs selected from eight melts. The slab sulfur content obtained using a nozzle with eccentric apertures is somewhat higher than in slabs cast through existing nozzles.

中文翻译：

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用连铸钢坯生产轧制薄板的技术改进。第 1 部分。 使用压力浸入式喷嘴进行铸造的实验研究

建议使用带有偏心孔的新型潜水喷嘴，以提高连铸板坯质量。计算表明，高达 38% 的钢过热热量在结晶器的上部被去除。随着结晶速率的增加，等轴晶体的数量增加了几个因素。低碳和低合金钢先进连铸的中试批准使提高热轧金属强度和韧性成为可能。低碳钢板极限强度和相对伸长率的预测是使用已知的实验方程进行的。从八种熔体中选择的板坯评估轧制钢材的质量。使用带有偏心孔的喷嘴获得的板坯硫含量略高于通过现有喷嘴铸造的板坯。