然后介绍了改善夹杂物去除和提高钢洁净度的铸机操作。
Then, operation practices at continuous caster to improve inclusion removal and steel cleanliness are reviewed.
可为生产高洁净度管线钢的工艺选择和成分控制提供参考。
It also provides reference for the process choice and content control of high cleaness pipeline production.
超级钢的主要特征是高洁净度和超细晶粒组织，在不增加任何合金元素的情况下，其强度、韧性和使用寿命提高一倍。
Ultra steel is characterized by its higher cleanness and ultra-fine grain, thus it has higher strength, toughness and longer life even without addition of more alloying elements.
找出了夹杂物数量、尺寸、组成、分布和类型在不同工序中的变化规律，提出了改善钢的洁净度的建议。
The variations of content, size, composition distribution and type of inclusions during steel-making have been examined. The measures for enhancing the cleanness of steel are proposed.
低碳铝镇静钢(LCAK)常用于生产冷轧板，要求铸坯有高的洁净度。
High cleanliness is required for low carbon aluminum killed (LCAK for short) steel which is widely used for production of cold rolled sheet.
研究了低碳钢、普通市售x65钢和高洁净度X65钢三种超细晶粒钢焊接haz的晶粒长大倾向。
In this paper, the grain growth in the HAZ of three kinds of ultra - fine grain steels such as low carbon steel, commercial X65 steel and high purity X65 steel were evaluated.
高洁净度钢的相变铁素体形核速率较高，而长大速率较低。
Higher nucleation rate and lower growth rate in ferrite transformation are of the main characteristics of high purity steel.
真空精炼技术是提高钢的洁净度和降低钢中杂质含量的有效措施。
Vacuum refinement technique is clean degree to increase steel with lower the valid measure with deal in miscellaneous quality in inside in steel.
发现材料的晶内偏析和奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.
发现材料的晶内偏析和奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.
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