The Casting of objects, therefore, and the foundry have been known since antiquity, already from the end of the 4th millennium BC. (i.e. here and 7000 years), it radically changes the life of the people of the Stone Age and passes into this era of COPPER, from where we discover today from the excavations in the countries of the Near East (Babylonians) and Egypt tools, bronze jewelry- brass (bronze) i.e. made of copper and tin.
It is a form of cast iron in which the carbon, through the use of inoculating forms, is converted into carbon pellets that are absorbed by the metal form, resulting in it being generally more resistant to mechanical stresses in pressure and temperature. So it has many engineering applications.