* Steelmaking (honorable mention) 386－557 AD China, Northern Wei Dynasty (1 janv. 368 – 1 janv. 557)
Description:
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
Ajouté au bande de temps:
Date:
1 janv. 368
1 janv. 557
~ 189 years