Operations in Steel Teeming Ladle in Steel Melting Shop
Operations in Steel Teeming Ladle in Steel Melting Shop The treatment of steel in the ladle has started around 1940s when the first ladle-to-ladle and ladle-to-ingot mould vacuum degassing processes for hydrogen removal has appeared on the scene. In the late 1950s, more efficient vacuum degassing units such as the Dortmund Hoerder (DH) and Ruhrstahl-Heraeus …
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