Parting & groovingParting & grooving

A Parting & grooving inserts

BillgroupHC (CVD) StartingHC values for cutting speed v(PVD) c [m/min]
Material groupComposition / structure / heat treatmentrne hardnessing
HBMachinYBC252YBG105YB9320
approx. 0,15 % Cannealed1251190200190
approx. 0,45 % Cannealed1902175180175
Unalloyed steelapprox. 0,45 % Ctempered2503145150145
approx. 0,75 % Cannealed2704140145140
approx. 0,75 % Ctempered3005135140135
Pannealed1806170180170
Low-alloed steeltempered2757125130125
ytempered3008115120115
tempered3509105110105
High-alloyed steel and high-alloyedannealed20010125130125
tool steelhardened and tempere325 d119510095
ferritic/martensiticannealed20012165170165
martensitictempered24013135140135
MStainless steelausteniticquench hardened18014155160155
austenitic-ferritic23015135140135
Gre cast ironperlitic/ferritic18016240250240
yperlitic (martensitic)26017185190185
KCast iron with sheroidal rahiteferritic16018220230220
p gpperlitic25019165170165
Mllbl t iferritic13020175180175
aeae cas ronperlitic23021165170165
Aluminium wrought alloyscannot be hardened6022
hardenablehardened10023
≤ 12 % Si, cannot be hardened7524
NCast aluminium alloys≤ 12 % Si, hardenablehardened9025
> 12 % Si, cannot be hardened13026
machining steel, PB> 1%11027
Copper and copper alloys (bronze/brass)CuZn, CuSnZn9028
CuSn, Pb-free copper, electrolytic copper10029
bd llannealed2003010095
Fe-ase aoyshardened280315050
Heat-resistant alloysannealed250328080
SNi or Co basshardened350337070
cast320347070
Tii llpure titaniumRm40035150145
tanum aoysα and β alloyshardenedRm1050365050
Hdd tlhardened and tempere55 HRC d37
arene seehardened and tempere60 HRC d38
HHard cast ironcast40039
Hardened cast ironhardened and tempere55 HRC d40
Thermoplasts41
Thermosetting plastics42
XNon-metallic materialsPlastic, glass-fibre reinforced GFi RP43
Plastic, carbon fibre reinforced Ci FRP44
Graphite Wood45 46

Note: The given cutting values are guide values, which were determined under ideal conditions. The values have to be adapted in individual cases. For examples of material for cutting tool groups view page D22.