Groove-Turn Cutting Speed Recommendations

ISO MaterialConditionTensile Strength [N/mm2]Hardness HBMaterial Group No.(1)
< 0.25 %CAnnealed4201251
Nlltldt >= 0.25 %CAnnealed6501902
on-aoy see an cas steel free cutting steel < 0.55 %CQuenched and tempered8502503
, >= 0.55 %CAnnealed7502204
>= 0.55 %CQuenched and tempered10003005
PAnnealed6002006
Low alloy steel and cast steel9302757
(less than 5% all elements)Quenched and tempered10003008
12003509
High alloy steel cast steel tool steelAnnealed68020010
, ,Quenched and tempered110032511
PStainless steel and cast steelFerritic/martensitic68020012
Martensitic82024013
M Stainless steel and cast steelAustenitic,duplex60018014
GtiGGPearlitic/ferritic18015
rey cas ron ()Pearlitic/martensitic26016
K Ductile cast iron (nodular) (GGG)Ferritic16017
Pearlitic25018
Malleable cast ironFerritic13019
Pearlitic23020
Alih llNot hardenable6021
umnum-wrougt aoysHardenable10022
Not hardenable7523
Aluminum-cast alloysHardenable9024
N >12% SiHigh temperature13025
>1% PbFree cutting11026
Copper alloysBrass9027
Electrolitic copper10028
Non-metallicDuroplastics,fiberplastics29
Hard rubber30
Fe basedAnnealed20031
Hardened28032
High temp. alloysAnnealed25033
S Ni or Co basedHardened35034
Cast32035
Titanium alloysPure40036
Alpha+beta alloys hardened105037
Hardened steelHardened55 HRC38
HHardened60 HRC39
Chilled cast iron Cast ironCast Hardened400 55 HRC40 41

(1) For material groups, see pages 786-815