The Iron Pillar of Delhi is a 22 feet high pillar located in the Qutb complex in India. The pillar, made from wrought iron, has been astounding scientists by its ability to resist corrosion after all these years.
Qutub Minar and the Iron Pillar. Qutb Minar, also written as Qutub Minar or Qutab Minar, is the tallest minar in India after Fateh Burj in Chappar Chiri at Mohali which stands 100 meters tall. Qutb Minar is a UNESCO World Heritage Site.
iron pillar of delhi - Crystalline phosphate forms a continuous layer next to the metal, which results in an excellent corrosion resistance layer. In years, the film has grown just one-twentieth of a millimetre thick.