The arc furnace provides the high temperature required to drive the reaction.

These techniques have been superseded by the electric arc furnace.

Modern steel is produced using either the blast furnace or arc furnaces.

Scrap steel is first melted in a huge electric arc furnace.

Adding to the melt shop were two 200 ton electric arc furnaces.

Four 60 ton electric arc furnaces installed in 1948 as the first expansion project.

Later the works was fitted with two electric arc furnaces.

Ferrosilicons with higher silicon content are made in electric arc furnaces.

To add to steel production two electric arc furnaces were built in 1941.

Héroult's second most important invention is the electric arc furnace for steel in 1900.