In this paper, according to production practice, the application of bulk indirect external iron chill and the technological measure in mill housings are introduced.
本文以生产实践为依据，介绍了大块间接外冷铁在轧机牌坊上的应用及工艺措施。
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The traditional technique of internal Iron chill of steel castings hasn'tsatisfied with requirements of flaw detection quality of mill housings.