Grade : IC250

For high loads and medium to high cutting speed.

PropertyValue
ISO Range - P/M/K(P15-P35)(M20-M40)
ISO Range - N/S/H

PropertyValue
Grade or Coating TypePVD
Coating Layers TiCN+TiN


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Cutting Speed for: 11IL A 55 IC250 - 5901619
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB90-150 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB85-140 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB85-140 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB80-135 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB75-125 m/min
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB70-120 m/min
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB65-110 m/min
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB65-105 m/min
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB60-100 m/min
P10High alloyed steel, cast steel and tool steelAnnealed200 HB55-90 m/min
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB50-85 m/min
P12Stainless steel and cast steelFerritic/martensitic200 HB60-105 m/min
P13Stainless steel and cast steelMartensitic240 HB55-95 m/min
M14Stainless steel and cast steelAustenitic, duplex180 HB20-45 m/min
K15Grey cast iron (GG)Pearlitic/ferritic180 HB45-85 m/min
K16Grey cast iron (GG)Pearlitic/martensitic260 HB35-65 m/min
K17Nodular cast iron (GGG)Ferritic160 HB30-60 m/min
K18Nodular cast iron (GGG)Pearlitic250 HB25-50 m/min
K19Malleable cast ironFerritic130 HB25-45 m/min
K20Malleable cast ironPearlitic230 HB35-65 m/min
N21Aluminum-wrought alloysNot hardenable60 HB115-350 m/min
N22Aluminum-wrought alloysHardenable100 HB95-290 m/min
N23Aluminum-cast alloys <=12% SiNot hardenable75 HB115-350 m/min
N24Aluminum-cast alloys <=12% SiHardenable90 HB100-310 m/min
N25Aluminum-cast alloys >12% SiHigh temperature130 HB60-190 m/min
N26Copper alloys >1% PbFree cutting110 HB70-215 m/min
N27Copper alloysBrass90 HB70-215 m/min
N28Copper alloysElectrolytic copper100 HB55-165 m/min
S31High temp. alloys Fe basedAnnealed200 HB35-50 m/min
S32High temp. alloys Fe basedHardened280 HB25-40 m/min
S33High temp. alloys Ni or Co basedAnnealed250 HB25-40 m/min
S34High temp. alloys. Ni or Co basedHardened350 HB20-30 m/min
S35High temp. alloys. Ni or Co basedCast320 HB15-25 m/min
S36Titanium (pure)Pure190 HB25-40 m/min
S37Titanium alloysAlpha+beta alloys, hardened310 HB20-30 m/min
H38Hardened steelHardened55 HRC35-60 m/min
H39Hardened steelHardened60 HRC30-50 m/min
H40Chilled cast ironCast400 HB55-90 m/min
H41Cast ironHardened55 HRC35-60 m/min

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