A Turning insert, positive

BillgroupStartingHC (CVD values for cutting) speedvc[m/min]
Material groupComposition / structure / heat treatmentrne hardnessingYB6315YBC152YBC252
HBachinFeed rate [mm]Feed rate [mm]Feed rate [mm]
M0,10,20,40,1 0,20,40,10,30,6
approx. 0,15 % C annealed1251450390270450 390270430350230
approx. 0,45 % C annealed1902380330230380 330230360295190
Unalloyed steelapprox. 0,45 % C tempered2503300265200300 265200280235160
approx. 0,75 % C annealed2704290255190290 255190270225150
approx. 0,75 % C tempered3005250225170250 225170235195130
Pannealed1806360300180360 300180340270170
Low-alloed steeltempered2757250210150250 210150235195140
ytempered3008230200150230 200150220180140
tempered3509200170120200 170120190155110
High-alloyed steel and high-alloyedannealed20010320275190320 275190280230170
tool steelhardened and tempere325 d11160150130160 150130130115100
ferritic/martensitic annealed20012
martensitic temered24013
M Stainless steelp
austenitic quench hardened18014
austenitic-ferritic23015
Grey cast ironperlitic/ferritic18016
perlitic (martensitic)26017
K Cast iron with spheroidal graphiteferritic16018
perlitic25019
ferritic13020
Malleable cast iron
perlitic23021
Aluminium wrought alloyscannot be hardened6022
hardenable hardened10023
≤ 12 % Si, cannot be hardened7524
Cast aluminium alloys≤ 12 % Si, hardenable hardened9025
N> 12 % Si, cannot be hardened13026
machining steel, PB> 1%11027
Copper and copper alloys (bronze/brass)CuZn, CuSnZn9028
CuSn, Pb-free copper, electrolytic copper10029
annealed20030
Fe-based alloys hardened28031
Heat-resistant alloysannealed25032
SNi or Co bass hardened35033
cast32034
Titi llpure titaniumRm40035
anum aoysα and β alloys hardenedRm105036
Hdd tlhardened and tempere55 HRC d37
arene seehardened and tempere60 HRC d38
H Hard cast ironcast40039
Hardened cast ironhardened and tempere55 HRC d40
Thermoplasts41
Thermosetting plastics42
X Non-metallic materialsPlastic, glass-fibre reinforced GFRP43
Plastic, carbon fibre reinforced CFRP44
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.