Grade : IC908

A tough submicron grain size substrate with a PVD coating, recommended for general use for diverse operations on materials such as steels, alloy steels, austenitic stainless steel and high temperature alloys at a wide range of cutting speeds. Features high wear resistance and chipping durability.

PropertyValue
ISO Range - P/M/K(P15-P30)(M20-M30)(K20-K30)
ISO Range - N/S/H (H20-H30)(S10-S25)

PropertyValue
Grade or Coating TypePVD
Coating Layers TiAlN


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Cutting Speed for: PICCO R 050.4-20N IC908 - 3360722
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB75-110 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB70-95 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB50-80 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB55-90 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB45-75 m/min
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB55-90 m/min
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB45-80 m/min
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB45-70 m/min
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB40-70 m/min
P10High alloyed steel, cast steel and tool steelAnnealed200 HB70-95 m/min
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB40-70 m/min
P12Stainless steel and cast steelFerritic/martensitic200 HB55-105 m/min
P13Stainless steel and cast steelMartensitic240 HB50-100 m/min
M14Stainless steel and cast steelAustenitic, duplex180 HB45-90 m/min
K15Grey cast iron (GG)Pearlitic/ferritic180 HB55-100 m/min
K16Grey cast iron (GG)Pearlitic/martensitic260 HB50-70 m/min
K17Nodular cast iron (GGG)Ferritic160 HB50-85 m/min
K18Nodular cast iron (GGG)Pearlitic250 HB40-65 m/min
K19Malleable cast ironFerritic130 HB65-105 m/min
K20Malleable cast ironPearlitic230 HB50-85 m/min
N21Aluminum-wrought alloysNot hardenable60 HB110-160 m/min
N22Aluminum-wrought alloysHardenable100 HB80-140 m/min
N23Aluminum-cast alloys <=12% SiNot hardenable75 HB80-140 m/min
N24Aluminum-cast alloys <=12% SiHardenable90 HB55-120 m/min
N25Aluminum-cast alloys >12% SiHigh temperature130 HB55-110 m/min
N26Copper alloys >1% PbFree cutting110 HB55-110 m/min
N27Copper alloysBrass90 HB40-80 m/min
N28Copper alloysElectrolytic copper100 HB25-55 m/min
N29Non metallic.Duro& fiber plastics15-55 m/min
S31High temp. alloys Fe basedAnnealed200 HB25-40 m/min
S32High temp. alloys Fe basedHardened280 HB20-30 m/min
S33High temp. alloys Ni or Co basedAnnealed250 HB20-30 m/min
S34High temp. alloys. Ni or Co basedHardened350 HB15-25 m/min
S35High temp. alloys. Ni or Co basedCast320 HB15-20 m/min
S36Titanium (pure)Pure190 HB65-110 m/min
S37Titanium alloysAlpha+beta alloys, hardened310 HB35-45 m/min
H38Hardened steelHardened55 HRC25-35 m/min
H39Hardened steelHardened60 HRC20-30 m/min
H40Chilled cast ironCast400 HB30-50 m/min
H41Cast ironHardened55 HRC30-40 m/min

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