1100 HSS/Co+
900
700
500
20 40 60 80 Vc [m/min]
+ 1st choice , suitable
low
medium low
medium
HSS/Co, medium high
high
10 20 30 40 Vc [m/min]
HSS/Co : general purpose (page 658) + 1st choice , suitable HSSP : high performance (page 658)