open-hearth

• Veraltetes Adjektiv, das vor allem im historischen oder industriellen Kontext verwendet wird und etwas beschreibt, das mit dem Siemens-Martin-Verfahren der Stahlherstellung zusammenhängt.

An obsolete adjective primarily used in historical or industrial contexts, describing something related to the open-hearth process of steelmaking.

1. Relating to open-hearth processC1formaltechnical

   Of or relating to a method of steelmaking using an open-hearth furnace, where the charge is melted and refined on a shallow hearth.

   Siemens-Martin-Verfahren

   • The open-hearth process was a major advancement in steel production.
   • Open-hearth steel is known for its high quality and consistency.
   • Many older steel plants used open-hearth furnaces before the adoption of basic oxygen methods.