Alloyed and non-alloyed steels in the form of semi-finished products, particularly in the form of ingots, continuous casting rings, blooms and continuous casting billets; rolled or forged metals and metal alloys, particularly in the form of wires, round bars and flat bars, blooms and billets, sheet bars; iron-and-steel products, namely hot or cold finished steels, particularly peeled, ground, straightened, lopped, chamfered, pre-machined, machined, annealed and hardened products.