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.
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。
The processes such as slag making, desulfurizing, deoxidizing and controlling cleanness of steel in lf are analyzed and optimized.
分析了LF炉的造渣、脱硫、脱氧、氩气搅拌、钢液纯净度控制等工艺制度。
Using mirror stainless steel container, four half arc easy cleanness, in the distance between the shelf is adjustable.
采用镜面不锈钢内胆，四角半圆弧易清洁，箱内搁板间的距离可调。
The relationships of cleanness, undercooling and grain size of low carbon steel have been investigated by using of vacuum glass encasement levitation melting.
利用玻璃包熔真空悬浮熔炼等手段研究低碳钢的纯净度、过冷度与晶粒度之间的关系研究表明：随着包熔次数增加，钢中夹杂物含量减少，纯净度提高。
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.
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 utility model is easy and fast to operate and saves time and effort, which can effectively prevent secondary pollution of molten steel to ensure the high cleanness of the molten steel.
本实用新型操作方便快捷，省时省力，并能够有效防止钢水的二次污染，保证钢水的高洁净度。
The utility model is easy and fast to operate and saves time and effort, which can effectively prevent secondary pollution of molten steel to ensure the high cleanness of the molten steel.
本实用新型操作方便快捷，省时省力，并能够有效防止钢水的二次污染，保证钢水的高洁净度。
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