Process for casting steel ingots under a vacuum
    1.
    发明授权
    Process for casting steel ingots under a vacuum 失效
    在真空下铸造钢锭的工艺

    公开(公告)号:US4037644A

    公开(公告)日:1977-07-26

    申请号:US613859

    申请日:1975-09-16

    CPC分类号: B22D27/15 B22D27/06

    摘要: A process for casting steel ingots, wherein the steel from a ladle is cast under vacuum through the lid of a container which can be evacuated, into a mould, and wherein covering powder or anti-piping compound, respectively, is evenly applied upon the surface of the molten steel in the mould while the vacuum is maintained.

    摘要翻译: 一种用于铸造钢锭的方法,其中来自钢包的钢在真空下通过可以抽空的容器的盖子浇铸到模具中,并且其中分别覆盖粉末或防管道化合物均匀地施加在表面上 的钢水在模具中保持真空。