System charts Grafici applicativi Anwendungsgrafiken Graphiques d’application Gráficos aplicativos Диаграммы STEEL APPLICATION HRC Hardness ISO P UH, 60 MEX+ 50 HF Hard+ 40 MEF+ 30 HF Uni+ 20 G2+ MDTA+ 50 100 150 200 Vc [m/min] + 1st choice , suitable STAINLESS STEEL APPLICATION Machinability ISO M low HF Hard+ medium MEF+ low medium medium G2, high MDTA, HF Uni+ high 40 80 120 160 Vc [m/min] G2 : general purpose (page 317) + 1st choice , suitable MDTA : general purpose (page 363) HF UNI : universal purpose (page 387) HF HARD : special purpose (page 463) MEF : special purpose (page 483) MEX : special purpose (page 523) UH :special purpose (page 583) 314