Through the introduction of formulating standard and the use of external iron chill in cast steel, the paper pointed out a way for saving cost, simplifying working processes and improving quality.
通过对铸钢件外冷铁标准的制定和应用情况的介绍，提出了节约成本、简化工艺、提高质量的一条重要途径。
2
In this paper, according to production practice, the application of bulk indirect external iron chill and the technological measure in mill housings are introduced.