De quoi est fait open-hearth furnace
The Siemens–Martin regenerative furnace.
- Furnace bath with molten steel — a pour partie. A flat hearth with liquid metal.
- Regenerator checkerwork — a pour partie. Checkerwork heats the air and gas with the heat of the exhaust gases.
- Furnace arched roof — a pour partie. A refractory roof.
- Fonte — utilise. The furnace melts pig iron and scrap into steel.
- Brique — est fait de. An open-hearth furnace is built of firebrick.