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1·Average heat flux and local flux in mold for round billet are studied.

对圆坯连铸结晶器平均热流和局部热流进行了研究。

2·The article introduces a new-designed descaling machine used for round billet.

介绍一种新型圆钢坯除鳞机。

3·The quality of cast round billet has been improved by applying this designed secondary cooling regime.

应用所选定的合理二次冷却工艺，提高了铸坯质量。

4·The study shows that the primary defects on the round billet used for piercing are the sources of screwy surface cracks.

试验结果表明，穿管坯料上存在的原始缺陷是产生螺旋裂纹的内在因素。

5·In the process of round billet continuous casting, we always measure the round billet outer contour using manpower method.

在钢铁圆坯连铸过程中，大多数采用人工方法对圆坯外轮廓进行测量。

6·Common quality defect types of CC round billet, its cause of formation and correlated measures for quality improvement are commented.

评述了连铸圆坯常见的质量缺陷类型、成因及改善质量的相关措施。

7·This article comments on the defect types, cause of formation of continous casting round billet and correlated measures for quality improvement.

评述了连铸圆坯常见的质量缺陷类型、成因及改善质量的相关措施。

8·Types of and causes for the surface defects of the CC round billet for pipe - rolling with mandrel mill are analyzed, and quality improvement measures proposed.

简要分析了连铸连轧圆管坯表面缺陷的类别和形成原因，提出了改进圆管坯质量的措施。

9·This article expounds the crux of the mold taper and then deduces the taper engineering formula of the mold for the horizontal continuous caster to cast round billet.

本文阐明了结晶器锥度的实质，进而导出了水平连铸圆坯用结晶锥度的设计公式。

10·According to our practical production experience, this paper discussed that during C. C. production, square and round billet mould with the same diameter should have different taper.

本文根据生产实践经验，讨论了在连铸生产中，要注意直径与厚度相等情况下的圆、方坯结晶器应有不同的锥度。