(The photo was not created by me. Link:https://en.wikipedia.org/wiki/Thanjavur_cannon#/media/File:Thanjavur_cannon.jpg)
The cannon was fabricated by forge welding and made from at least 291 iron rings. It's length is 26 foot(7.9248 metres) and it weighs 20 tonnes (2000 kilograms). The cannon's corrosion rates are comparable to those of 0.05% carbon mild steel.
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