Materials: stainless steel, Aluminium, Brass, Carbides Carbon fibre reinforced plastic Case-hardened / heat-treated steel Cast iron Cast mineral composite Cast steel Ceramic Cobalt-chrome Cold forged steel Composites Construction steel Copper and copper alloys Copper-zinc alloy Corundum Delrin 100 Diamonds Duroplast Elastomers Ethafoam 220 GMC Glass / minerals Glass ceramic / lithium disilicate Glass fibre reinforced plastic Gold Graphite Grey iron High-performance plastics Leads Liquid silicone rubber Machining steel Magnesium Metals Miscellaneous Molybdenum Natural fibre reinforced plastic Nickel alloys (Inconel, Monel, Hastelloy) Nickel-based alloys Nylon 6 Nylon 6.6 Optical glass Oxide ceramic PA 6 PA 6.6 POM PVC Part 21/G Particulate-reinforced composites Platinum Precious and semi-precious stones Quarz glass René 41 Rubber and gum Ruby Sapphire Silicon Silicon carbide Silicon nitride Silver Spring steel Stacks Stainless steel (V2A, stainless) Stainless steel (V4A, stainless and acid-resistant) Steel Stone Thermoplastic Titanium, titanium aluminide Tool steel Tungsten Ureol WPC Zerodur Zinc and zinc alloys Zirconia