CLASSIFICATION TREATED MATERIALS Material Description Content Tensile strength Hardness P0 Low-Carbon steels long chiping C 025% 500 150 HB P1 Low-Carbon steels short

CLASSIFICATION TREATED MATERIALS Material Description Content Tensile strength Hardness P0 Low-Carbon steels long chiping C 025% 500 150 HB P1 Low-Carbon steels short chiping free machining C 025% 700 205 HB P2 Medium-Carbon steels C 025% 800 220 HB P3 Alloy steels and tool steels C 025% 1000 330 HB P4 Alloy steels and tool steels C 025% 1400 450 HB P5 Ferritic martensitic and PH stainless steels 600-900 330 HB P6 High-strength ferritic martensitic and PH stainless steels 900-1350 450 HB P7 Spring hardened and tool steel 1400 44HRC P8 Spring hardened and tool steel 1400 44HRC M1 Rust and acid constant steels 700 N/mm2 (205 HB) 700 M2 Rust and acid constant steels 700 N/mm2 (205 HB) 700 K1 Cast iron 180HB 125-500 120-290 HB K2 Malleable cast iron 600 130-260 HB K3 Cast iron with nodular graphite 600 180-350 HB N1 Aluminium long-chipping Si6% N2 Aluminium short-chipping Si12% N3 Aluminium alloyed over Si12% N4 Copper brass bronze red brass S1 Inconel Hastelloy Nimonic Monel Titanium H1 Tempered steels 55HRC H2 Tempered steels 60HRC H3 Tempered steels 65HRC O1 Plastics O2 GFK CFK (fibreglass carbon fibre plastics) 52 NORGAU Cutting tools