| IN | P Steel M Stain | less Steel | | K Cast Iron N Non-Ferr | ous | S High-Temp Alloys H Hardened Materials |
| material group | description | content | tensile strength RM (MPa) | hardness (HB) | hardness (HRC) | material number |
| P0 | Low-Carbon Steels, Long Chipping | C | | | – | – |
| P1 | Low-Carbon Steels, Short Chipping, Free Machining | C | | | – | C15, Ck22, ST37-2, S235JR, 9SMnPb28, GS38 |
| P2 | Medium- and High-Carbon Steels | C >0,25% | >530 | | | ST52, S355JR, C35, GS60, Cf53 |
| P3 | Alloy Steels and Tool Steels | C >0,25% | 600–850 | | | 16MnCr5, Ck45, 21CrMoV5-7, 38SMn28 |
| P4 | Alloy Steels and Tool Steels | C >0,25% | 850–1400 | 340–450 | 35–48 | 100Cr6, 30CrNiMo8, 42CrMo4, C70W2, S6525, X120Mn12 |
| P5 | Ferritic, Martensitic, and PH Stainless Steels | – | 600–900 | | | 100Cr6, 30CrNiMo8, 42CrMo4, C70W2, S6525, X120Mn12 |
| P6 | High-Strength Ferritic, Martensitic, and PH Stainless Steels | – | 900–1350 | 350–450 | 35–48 | X102CrMo17, G-X120Cr29 |
| M1 | Austenitic Stainless Steel | – | | 130–200 | – | X5CrNi 18 10, X2CrNiMo 17 13 2, G-X25CrNiSi18 9, X15CrNiSi 20 12 |
| M2 | High-Strength Austenitic Stainless and Cast Stainless Steels | – | 600–800 | 150–230 | | X2CrNiMo 13 4, X5NiCr 32 21, X5CrNiNb 18 10, G-X15CrNi 25-20 |
| M3 | Duplex Stainless Steel | – | | 135–275 | | X8CrNiMo27 5, X2CrNiMoN22 5 3, X20CrNiSi25 4, G-X40CrNiSi27 4 |
| K1 | Grey Cast Iron | – | 125–500 | 120–290 | | GG15, GG25, GG30, GG40, GTW40 |
| K2 | Low- and Medium-Strength Ductile Irons (Nodular Irons) and Compacted Graphite Irons (CGI) | – | | 130–260 | | GGG40, GTS35 |
| K3 | High-Strength Ductile Irons and Austempered Ductile Iron (ADI) | – | >600 | 180–350 | | GGG60, GTW55, GTS65 |
| N1 | Wrought Aluminium | – | – | – | – | AIMg1, AI99.5, AICuMg1, AICuBiPb, AIMgSi1, ALMg- SiPb |
| N2 | Low-Silicon Aluminium Alloys and Magnesium Alloys | Si | – | – | – | GAISiCu4, GDAISi10Mg |
| N3 | High-Silicon Aluminium Alloys and Magnesium Alloys | Si >12,2% | – | – | – | G-ALSi12, G-AlSi17Cu4, G-AISi21CuNiMg |
| N4 | Copper-, Brass-, Zinc-Based on Machinability Index Range of 70–100 | – | – | – | – | CuZn40, Ms60, G-CuSn5ZnPb, CuZn37, CuSi3Mn |
| N5 | Nylon, Plastics, Rubbers, Phenolics, Resins,Fibreglass | – | – | – | – | Lexan®, Hostalen™, Polystyrol, Makralon |
| N6 | Carbon, Graphite Composites, CFRP | – | – | – | – | CFK, GFK |
| N7 | Metal Matrix Composites (MMC) | – | – | – | – | – |
| S1 | Iron-Based, Heat-Resistant Alloys | – | 500–1200 | 160–260 | 25–48 | X1NiCrMoCu32 28 7, X12NiCrSi36 16, X5NiCrAITi31 20, X40CoCrNi20 20 |
| S2 | Cobalt-Based, Heat-Resistant Alloys | – | 1000–1450 | 250–450 | 25–48 | Haynes®188, Stellite®6,21,31 |
| S3 | Nickel-Based, Heat-Resistant Alloys | – | 600–1700 | 160–450 | | INCONEL®690, INCONEL 625, Hastelloy®, Nimonic®75 |
| S4 | Titanium and Titanium Alloys | – | 900–1600 | 300–400 | 33–48 | Ti1, TiAI5Sn2, TiAI6V4, TiAI4Mo4Sn2 |
| H1 | Hardened Materials | – | – | – | 44–48 | GX260NiCr42, GX330NiCr42, GX300CrNiSi952, GX300CrMo153, Hardox®400 |
| H2 | Hardened Materials | – | – | – | 48–55 | – |
| H3 | Hardened Materials | – | – | – | 56–60 | – |
| H4 | Hardened Materials | – | – | – | >60 | – |
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