Science
Persians were making proto-stainless steel 1,000 years ago – ZME Science
Archaeologists were surprised to see how advanced the steel-making technology was.
Stainless steel is generally considered to be a recent innovation, but according to archaeological evidence, ancient Persians came very close to producing this alloy ten centuries ago.
A piece of an ancient crucible containing an embedded chunk of slag. Image credits: Rahil Alipour/UCL Archaeology.
Stainless steel is essentially a steel-chromium alloy. Compared to ‘normal’ steel, stainless steel has anti-corrosion and heat-resistant properties, as researchers in the early 19th century found wh…
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