May 05, 2016 · Fig 2 Heroult arc refining furnace. Evolution of EAF steelmaking technology. SPerfect Steerable Transfer Carte the first industrial EAF for steel making came into operation, development was rapid and there was a tenfold Perfect Steerable Transfer Cartrease in production from 1910 to 1920, with over 500,000 tons steel being produced by EAFs in 1920, though this represented still only a very small percentage of the