Researched
Electric Arc Furnace
Paul Héroult's electric arc furnace (1900) melts scrap steel with electricity and now makes about a third of the world's steel.
Open in the interactive tree →The first commercial arc furnace for steel ran in La Praz, France, in 1900. It lets steel be recycled endlessly and is the basis of low-carbon steelmaking powered by clean electricity.
Prerequisites
- Bessemer Steel1856
- Electrification1882
Unlocks
- Green Steel2021–2027Green steel melts hydrogen-reduced iron and scrap in electric arc furnaces