Chromium Steel Was First Produced In Ancient Persia
Crucible slag adhering to the interior of a crucible sherd. Credit: Rahil Alipour, UCL
A new study led by UCL researchers shows that chromium steel was first made in Persia, nearly a millennium earlier than experts previously thought.
It was long believed that it was a 20th-century invention but the surprising and very important discovery based on a number of medieval Persian manuscripts, provides the first evidence of the deliberate addition of a chromium mineral within steel production.
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Source: https://www.ancientpages.com/2020/09/24/chromium-steel-was-first-produced-in-ancient-persia/
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