Wootz steel was amongst the finest in the world. It is the metal that was used to fashion weapons such as the famous Damascus blades of the Middle Ages. However, Wootz steel dates back much further than the Medieval period. The technology originated in ancient India millennia before many other cultures ever found out about it.
This is a type of crucible steel, i.e. a type of steel produced by melting the raw materials in a crucible. Due to its high quality, Wootz steel was traded all over the ancient and Medieval world, including Europe, the Middle East, and China. The qualities of Wootz steel were well-suited to making weapons.
Here is one of the great Video and Article for details information. https://www.youtube.com/watch?v=OP8PCkcBZU4 http://www.ancient-origins.net/artifacts-ancient-technology/wootz-steel-damascus-blades-0010148