Molten iron from the blast furnace in the rear is allowed to flow out on this molding floor in which the shape of the “pig” is molded in the sand. After cooling, the pigs are broken apart and stored.
Courtesy of Indiana Steel Co.
Open-Hearth Furnaces
Iron is converted into steel by the basic or open-hearth method in the furnaces shown here. The 100-ton ladles are in position at the tapping side of the furnaces to receive the molten steel.
Reproduced by permission of the Philadelphia Museums.
Pouring Steel into Molds