Cutting Speed Recommendations for Indexable Milling Cutters

CUTTING SPEE COATD Vc (m/ EDmin)
TensileMaterial
ISO MaterialConditionStrength [N/mm2]Hardness HBGroup No.(1)IC330/ 328IC380IC808/ 908IC810/ 910IC830/ 928IC840IC845IC882
< 0.25 %CAnnealed4201251140-200210-300190-260150-240130-220
Non-alloy >= 0.25 %CAnnealed6501902130-190200-280170-240140-230120-200
steel and cast steel, < 0.55 %CQuenched and tempered8502503130-190200-260160-230140-230120-190
free cuttingAnnealed7502204120-180180-250140-220130-220120-180
steel >= 0.55 %CQuenched and tempered10003005120-170180-240140-210130-200110-180
Annealed6002006120-160170-240130-210120-190100-170
P Low alloy and cast9302757110-150160-230120-200120-170100-160
steel (less than 5% of lli ltQuenched10003008100-140150-230110-200110-170100-150
aoyng eemens)and tempered1200350990-150140-220100-190100-16090-150
High alloyed steel, castAnnealed6802001080-130120-21090-18090-15080-140
steel and tool steelQuenched and tempered11003251180-120110-17080-16090-14080-130
Stainless steelFerritic/ martensitic68020012100-140150-230110-160110-160
and cast steelMartensitic8202401390-130140-220100-150100-150
M Stainless steel and cast steelAustenitic, duplex6001801480-120100-160100-15090-16070-140
Grey cast iron (GG)Ferritic/ pearlitic18015220-320
Pearlitic / martensitic26016200-300
K Cast iron nodular (GGG)Ferritic16017180-250
Pearlitic25018160-220
Ferritic13019200-300
Malleable cast ironPearlitic23020170-280
AluminumNot cureable6021
wrought alloysCured10022
Not cureable7523
AluminumCured9024
cast alloys >12% SiHigh temperature13025
N >1% PbFree cutting11026
CopperBrass9027
alloysElectrolytic copper10028
Duroplastics
,29
Non metallicfiberplastics
Hard rubber30
Fe basedAnnealed2003135-5045-5550-6035-5540-5535-50
High tempCured2803230-4035-4540-5030-4530-4530-40
.Annealed2503325-3530-4535-5030-4530-4025-35
alloys Ni or CoCured3503420-2525-3525-3525-3525-3020-25
S basedCast3203525-3030-3530-4030-3530-3525-30
PureRm = 4003645-8055-10065-11050-9050-9045-80
Titanium alloysAlpha+beta
alloys curedRm = 10503730-6535-6535-7030-6530-6030-65
Hdd tlHardened55 HRC3860-8055-75
H arene seeHardened60 HRC3950-7045-65
Chilled cast ironCast40040100-11090-105
Cast ironHardened55 HRC4160-8055-75

Rm - ultimate tensile strength, MPa (1) For ISCAR material group numbers and workpiece material list, see pages 728-757