The Delhi pillar has not rusted to a marked degree, and this resistance to corrosion is ascribed by the author to the composition of the iron, which is free from manganese and sulphur, and ...

“The corrosion resistant property of the sample of Iron Pillar in Delhi was mainly due to the mode of its fabrication ...

Scientists both in India and abroad began studying the iron pillar in Delhi in 1912 to try to figure out why it hadn’t corroded. It wasn’t until 2003 that Archeo-metallurgist R ...