System charts Grafici applicativi Anwendungsgrafiken Graphiques d’application Gráficos aplicativos Диаграммы CAST IRON APPLICATION HB hardness ISO K 400 300 LF-TA+ 200 HSS/Co+ 100 10 20 30 40 Vc [m/min] H 1st choice I suitable NON-FERROUS MATERIALS APPLICATION Si % ISO N 16 14 LF-TA, 12 10 8 SU-TA+ HSS/Co+ 40 60 80 100 Vc [m/min] LFTA : high performance (page 194) H 1st choice I suitable SUTA : high performance (page 204) HSS-HSS/Co : general purpose (page 214) 191