* Steelmaking (honorable mention) 386－557 AD China, Northern Wei Dynasty (1 jan 368 ano – 1 jan 557 ano)

Descrição:

The first famous metallurgist in ancient China is Qiwu Huaiwen of the Northern Wei Dynasty (386－557 AD), who invented the process of using wrought iron and cast iron to make steel.
Invented: Independently

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