It is the achievement that RH system can reach design goal, appease to smelt high-technology grade steel such as IF and ultra low carbon steel competently.
该方案使RH系统达到了设计要求，完全满足了冶炼以if钢为代表的诸多高技术含量的超低碳钢。
2
In this paper, the grain growth in the HAZ of three kinds of ultra - fine grain steels such as low carbonsteel, commercial X65 steel and high purity X65 steel were evaluated.
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。
3
This paper introduces the development of high quality no - carbon brick for refining ladle and the application in the production of clean steel and ultra - low - carbon steel.