Product markets and plant types
Steel plants — Presentation

From the 19th to the mid-20th century, the development of steelmaking processes and industries was as follows:

• first, towards a single steelmaking process based on two distinct stages:

  • the production of a primary metal, essentially cast iron, to which must be added the collection or recycling of scrap metal (see article ) as well as the production of reduced ores (or direct reduction [M 7 580] ),

  • the conversion of this cast iron...