The materials worked are as diverse as our procedures.
Here is an overview, although the list is not exhaustive : - Stainless and heat-resisting steels, tool steels, structural steels, free cutting steel, improvement steels, carburizing steel, cast steel - Aluminium and cast aluminium alloys - Titanium, titanium alloys and cast titanium alloys - Grey cast iron - Bronze - Brass - Polyamide - Resins, stratified resins