System charts Grafici applicativi Anwendungsgrafiken Graphiques d’application Gráficos aplicativos Диаграммы STEEL APPLICATION Rm [N/mm2] ISO P 1100 HSS/Co+ 900 700 500 HSSP+ 20 40 60 80 Vc [m/min] + 1st choice , suitable STAINLESS STEEL APPLICATION Machinability ISO M low medium low medium medium HSS/Co, high high HSSP+ 10 20 30 40 Vc [m/min] HSS/Co : general purpose (page 658) + 1st choice , suitable HSSP : high performance (page 658) 654