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Neat News 2020-271 (added 2020-09-27)

Chromium steel in ancient Persia

steel.jpg
© DEMACO [CC BY-SA 4.0]

It has been assumed that high quality chromium steel is an invention of the 20th century. However, now a manuscript has been found that shows that already in the 10th or 11th century a chromite mineral was added for the production of high quality steel in ancient Persia.

News seen at: ScienceDaily - Matter & Energy

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