Category:First electric arc furnace

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The invention of the electric arc furnace (EAF) probably began when Sir Humphry Davy discovered the carbon arc in 1800. Then in 1878 Sir William (Carl Wilhelm) Siemens patented, constructed and operated both direct and indirect EAFs. Commercial use still needed to wait for larger supplies of electricity and better carbon electrodes.[1]

The first Italian electric furnace of the indirect-arc type for melting steel was invented in 1898 by Ernesto Stassano and sited at the Museo Nazionale della Scienza e della Tecnologia "Leonardo da Vinci" in Milan, Italy.

Paul Héroult, a French inventor, is credited with developing the first successful commercial EAF for steel in 1900, called the Héroult furnace.[1]


  1. a b The Making, Shaping and Treating of Steel. AISE Steel Foundation, Pittsburgh, PA. Retrieved on August 8, 2014.