open-hearth process

• 一种炼钢方法，在浅平炉中将生铁和废钢熔化，通过可控氧化和精炼去除杂质，生产优质钢材。也叫平炉炼钢法。

A method of steelmaking that uses a shallow, open-hearth furnace to melt iron and scrap metal, producing high-quality steel through controlled oxidation and refining.

1. Steelmaking methodC2formal

   A method of producing steel by melting pig iron and scrap in a shallow, open furnace heated by burning gas or oil.

   平炉炼钢法

   • The open-hearth process was widely used in the 20th century for steel production.
   • Modern steel plants have largely replaced the open-hearth process with basic oxygen furnaces.
   • The open-hearth process allows for better control of the steel's chemical composition.