Recommended Cutting Parameters to Start with (Metric)

Tensile Cutting Parameters

Strength Hardness Material

MaterialCondition[N/mm2]HBNo. (1)V m/minf mm/tf start
czz
< 0.25 %CAnnealed4201251210-3000.005-0.01xD0.006xD
>= 0.25 %CAnnealed6501902200-2500.005-0.01xD0.006xD

Non-alloy steel Quenched and < 0.55 %C

and cast steel,tempered8502503160-2400.004-0.009xD0.005xD
free cutting steelAnnealed7502204160-2400.003-0.008xD0.004xD

>= 0.55 %C Quenched and

1000 300 5 140-200 0.004-0.009xD 0.005xD

tempered

Annealed 600 200 6 160-240 0.003-0.008xD 0.004xD

P

Low alloy and cast steel (less 930 275 7 120-200 0.003-0.008xD 0.004xD

Quenched and

than 5% of alloying elements) 1000 300 8 130-200 0.003-0.008xD 0.004xD

tempered

12003509140-2000.003-0.008xD0.004xD
Annealed68020010130-2000.003-0.008xD0.004xD

High alloyed steel, cast Quenched and

1100 325 11 70-130 0.002-0.007xD 0.003xD

steel and tool steel tempered

Ferritic/martensitic6802001280-1750.002-0.007xD0.003xD
Stainless steel and cast steelMartensitic8202401360-1650.002-0.007xD0.003xD
MStainless steel and cast steelAustenitic6001801460-1100.002-0.007xD0.003xD
Ferritic/pearlitic18015150-2750.005-0.01xD0.006xD

Grey cast iron (GG)

Pearlitic26016150-2650.005-0.01xD0.006xD
Ferritic16017150-2000.005-0.01xD0.006xD

K Cast iron nodular (GGG)

Pearlitic2501890-1500.004-0.009xD0.005xD
Ferritic13019150-2000.005-0.01xD0.006xD

Malleable cast iron

Pearlitic2302090-1500.004-0.009xD0.005xD
Annealed2003120-450.002-0.004xD0.003xD

Fe based

Cured2803220-350.002-0.004xD0.003xD
High temp. alloysAnnealed2503320-350.002-0.004xD0.003xD

Ni or Co

Cured 350 34 20-35 0.002-0.004xD 0.003xD

S based

Cast3203560-900.002-0.004xD0.003xD
PureRm = 4003660-900.002-0.004xD0.003xD

Titanium alloys Alpha+beta

Rm = 1050 37 60-90 0.002-0.004xD 0.003xD

alloys cured

Hardened 55 HRC 38 40-80 0.001-0.003xD 0.002xD

Hardened steel

Hardened 60 HRC 39

H

Chilled cast ironCast4004040-800.001-0.003xD0.002xD
Cast ironHardened55 HRC4140-800.001-0.003xD0.002xD