696 WORKPIECE MATERIAL GROUP (WMG) 9 ISO group Subgroup WMG (Work Material Group) kvG Examples of material (AISI, EN, DIN, ČSN, GB, SS, STN, BS, UNE, AFNOR, ASTM, GOST, UNS, UNI, ...) N1.1 Pure aluminium and wrought aluminiumalloys with a hardness of < 60 HB1.33UNS A91200, EN AL99.6, DIN 3.0205, SS 4010, STN 424009, BS 1C, UNE L-3001, GB L5, AFNOR A4,GOST АДС, UNI 3567​ N1 Wrought aluminium N1.2 Wrought aluminium alloys with a hardnessof 60 – 100 HB1.00UNS A93004, EN AlMn0.5Mg0.5, DIN 3.0505, SS 4054, STN 424432, BS N31, UNE L-3831, GB LF2,AFNOR A-M1, GOST АМц, UNI 3568​ N1.3 Wrought aluminium alloys with a hardnessof 100 – 150 HB0.67UNS A95083, EN AlMg4.5Mn0.7, DIN 3.3547, SS 4140, STN 424415, BS N8, UNE L-3321,GB AlMg4.5Mn, AFNOR A-G4.5Mn, GOST Amg 4.5, UNI P-AlMg4.4​ N2.1 Cast aluminium alloys with a hardnessof < 75 HB0.67 UNS A02080, EN AlCu4S, BS LM11, STN 424331, UNE Al Si1Cu, GOST AMg5K, UNI G-AlSi7Mg​ N2 Cast aluminium N2.2 Cast aluminium alloys with a hardnessof 75 – 90 HB0.60UNS A02420, EN AlCu4Ni2Mg2, SS AlSi7MgFe, BS LM6, STN 424519, UNE Al-7SiMg, AFNOR A-S7G,GOST AK7, UNI G-AlSi7Mg​ N2.3 Cast aluminium alloys with a hardness of90 < 140 HB0.43UNS A03360, EN G-ALCu4NiMg2, SS ALSi10Mg, STN 424336, BS LM 30, AFNOR A-S10G, UNI G-AlSi9Mg​ Non-ferrous metals(metals including N3.1 Free-cutting copper-alloys materials withexcellent machining properties0.70UNS C14700, EN CuPb1P, DIN 2.1498, STN 423214, BS C111, AFNOR CuZn35Pb2, GOST L63-3,UNI CuS(P0.01)​ N alloys without an appreciable amountof iron)N3Copper or copper alloys N3.2 Short-chip copper-alloys with good tomoderate machining properties0.41UNS C81540, EN CuNi2SiCr, DIN 2.0857, STN 423220, BS NS113, UNE CuSn12, AFNOR CuZn40,GOST L60, UNI P-CuZn-40​ Electrolytic copper and long-chip copper- N3.3 alloys with moderate to poor machining 0.21 UNS C10100, EN CuAg0.1, DIN 2.1203, SS 5010, UNE CUSi3Mn1, AFNOR Cu-C2, GOST M1f, UNI Cu-OF​ properties ABS, Acryl, Duraplast, Elastomer, EP, Epoxid, FEP, Fluor, Gummi, Kautschuk, Latex, MF, MPF, PA, PAI, PC, PE, N4.1 Thermoplastic polymers 0.70 PEEK, PEI, PES, PET, PF, Phenolharze, PI, PMMA, Polyamide, Polyester, Polyolefine, Polysulfon, POM, PP, PPE, PPS, PS, PSU, PTFE, PU, PUR, PVDF, SAN, SI, Styrol, UF, Ureol​ N4 Polymers(synthetic or semi-synthetic materials)N4.2Thermosetting polymers 0.27 Aramid, Epoxy, Fluoropolymer, Mehacrylate, Melamine, Phenolic, Polyester, Polyimide, Polymethacrylimide,Polyurethane​ N4.3 Reinforced polymers or composites 0.29 CFK, GFK, GMT, Honeycomb, Kevlar, LFT, Organo, SMC​ CGM-1, CM-00, GM-10, GM-11, GR030, GR030PI, GR060, GR060PI, GR125, MC-01, MC-01RO, MC-03, N5 Graphite N5.1 1.0 MC-03M, IG11, IG-15, IG-32, IG-43, IG-45, IG-70, ISEM-1, ISEM-2, ISEM-3, R8340, R8500X, Technograph 15, Technograph 30, ISO-63, EDM C-3, EDM1, EDM3, ISO-90, ISO-93, ISO-95, R8510, R8650,