Stainless steel is a metallurgical product that results in adding a fairly high proportion of chromium and nickel to steel.
An alloy is a homogeneous mixture of two or more elements, of which at least one must be a metal.
Aluminum is the most abundant metallic element of the earth's crust.
Copper is a composite alloy, especially for baking and tin. It is the second hardest alloy, only surpassed by the steel.
A technical plastic is a polymeric material that has undergone irreversible chemical crosslinking.
Industrial gases are a group of manufactured gases mainly used in industrial processes, such as the manufacture of steel.
Welding is the union of two materials, usually metals or thermoplastics, by coalescence.