Damascus Steel was a type of Steel used in Middle Eastern sword making. It was created from woot steel, a steel developed in India around 300 BC.
Damascus steel bear the watery pattern all the way through the metal . Pattern-welded steel is made by layering iron and steel and forging the metals together by hammering them at high temperature to form a welded bond. A flux seals the joint to keep out oxygen. Forge welding multiple layers produces the watery effect characteristic of this type of Damascus steel, although other patterns are possible.