SUPER ALLOYS APPLICATION

HRC hardness ISO S

50

40

30

20

TA, HTA, 10 SUH, 4HTA, HL, SUH mini,

30 45 60

HPU+

75 Vc [m/min] + 1st choice , suitable

HARDENED STEEL APPLICATION

HRC hardness ISO H

62

60

55

50

HRC+

45

10 15 20 25 Vc [m/min]

TA : general purpose (page 51) + 1st choice , suitable HTA : general purpose with inside coolant (page 51) 4HTA : 4 margins general purpose with inside coolant (page 51) HPU : universal purpose with inside coolant (page 81)

HRC : special purpose (page 127) HL : long 12xD ÷ 30xD (page 165)