Pig Iron - History

History

The Chinese were making pig iron by the later Zhou Dynasty (1122–256 BC). In Europe, the process was not invented until the Late Middle Ages (1350–1500). Actually the phase transition of the iron into liquid phase in the furnace was an avoided phenomenon, as decarburizing the pig iron into steel was an extremely tedious process with medieval technology.

Read more about this topic:  Pig Iron

Famous quotes containing the word history:

    There is no history of how bad became better.
    Henry David Thoreau (1817–1862)

    The history of the world is none other than the progress of the consciousness of freedom.
    Georg Wilhelm Friedrich Hegel (1770–1831)

    Properly speaking, history is nothing but the crimes and misfortunes of the human race.
    Pierre Bayle (1647–1706)