| Material of sub-group | General structural steels, Non-alloyed tempering steels, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron, White cast iron, Stainless steels, sulphurated, Stainless steels, austenitic, Stainless steels, martensitic, Titanium, Titanium alloys, Special alloys, Spring steels, Aluminium casting alloys (<10% silicon), Magnesium alloys, Copper, low-alloyed, Bronze, short-chipping, Bronze, long-chipping, Plastics, thermoset, Brass, short-chipping, Brass, long-chipping, Plastics, thermoplastic, Plastics, aramide-fibre reinforced, Plastics, glass/carbon-fibre-reinforced, Aluminium, Aluminium alloys, Aluminium wrought alloys |