ISOWorkpiece materialHardnessPriorityGradeVc (m/min) Cutting speed
< 300 HBFirst choiceAH7025, AH72550 - 180
Steels< 300 HBWear resistanceT922580 - 300
S45C, SCM435, etc.< 300 HBWear resistanceT912580 - 200
C45, 34CrMo4, etc.< 300 HBFracture resistanceGH13050 - 120
< 300 HBSuface qualityNS953080 - 220
Stainless steel SUS303 SUS304 t< 200 HBFirst choiceAH7025, AH72550 - 120
, , ec. X10CrNiS18-9, etc.< 200 HBFracture resistanceGH13050 - 120
Grey cast iron FC250, etc.-First choiceT515, AH702550 - 180
250, etc.-Fracture resistanceGH13050 - 180
Ductile cast irons FCD450 etc-First choiceT515, AH702550 - 120
, . 450-10S, etc.-Fracture resistanceGH13050 - 120
Aluminium alloys-First choiceTH10100 - 500
Si < 12%-First choiceKS05F100 - 600
Grey cast iron FC250, etc.< HRC 40First choiceAH702520 - 60
250, etc.< HRC 40Wear resistanceAH90520 - 80
< HRC 40First choiceAH90520 - 80
Titanium alloys Ti-6Al-4V, etc.< HRC 40Fracture resistanceAH7025, AH72520 - 80
< HRC 40Suface qualityKS05F20 - 60
Hardened steels SCM435, etc. SUJ2, etc.> HRC 50First choiceBX36080 - 150

*Please see the page F179 - F181 for feed: f (mm/rev). H

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