MATERIALS HARDNESS/Rm P1 Free cutting steel and structural steel < 500 N/mm² P2 Carbon steel and low alloy steel 500-700 N/mm² P3 Medium alloy steel and heat treated steel 600-800 N/mm² P4 High alloy steel 800-1000 N/mm² P5 Tool steel 900-1200 N/mm² P6 High tensile strength steel 1200-1480 N/mm² P7 Ferritic - Martensitic stainless steel P8 PH stainless steel M1 Austenitic stainless steel (good machinability) M2 Austenitic stainless steel (medium machinability) and Duplex M3 Super austenitic stainless steel and super Duplex K1 Grey cast iron 150-250 HB K2 Nodular cast iron 150-350 HB K3 Austenitic cast iron 120-260 HB K4 ADI cast iron 250-500 HB N1 Aluminium alloys ≤ 12% Si N2 Aluminium alloy > 12% Si and Aluminium-Magnesium N3 Copper alloy N4 Brass alloy and Bronze alloy N5 Plastic material N6 Carbon fiber and composite S1 Heat resistant super alloys (HRSA) Ni base (good machinability) < 25 HRC S2 Heat resistant super alloys (HRSA) Ni base (medium machinability) 25-35 HRC S3 Heat resistant super alloys (HRSA) Ni base (low machinability) 35-45 HRC S4 Low Titanium base alloy (good machinability) S5 High Titanium base alloy (medium machinability) H1 Hardened steel 50-56 HRC H2 Hardened bearing steel 54-62 HRC H3 Hardened tool steel 60-65 HRC H4 Hardened martensitic stainless steel 50-56 HRC H5 Hardened white cast iron 48-55 HRC REFER TO PAGES 15-29 FOR THE COMPLETE LIST OF WORKPIECE MATERIALS. CONSULTARE PAGG. 15-29 PER LA LISTA COMPLETA DEI MATERIALI AUF DEN SEITEN 15 BIS 29 FÜR DIE VOLLSTÄNDIGE LISTE VON WERKSTOFFMATERIALIEN CONSULTER DE LA PAGE 15 À LA PAGE 29 POUR LA LISTE COMPLÈTE DES MATÉRIAUX CONSULTAR DESDE PÁG. 15 A PÁG. 29 PARA LA LISTA COMPLETA DE LOS MATERIALES ПОЛНЫЙ СПИСОК ОБРАБАТЫВАЕМЫХ МАТЕРИАЛОВ СМОТРИ НА СТР. 15-29.