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: MTECI 1212E40 A60 IC908 - 5606405
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB110-190 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB105-180 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB105-180 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB100-170 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB95-160 m/min
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB90-150 m/min
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB80-140 m/min
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB80-135 m/min
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB75-125 m/min
P10High alloyed steel, cast steel and tool steelAnnealed200 HB70-115 m/min
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB65-110 m/min
P12Stainless steel and cast steelFerritic/martensitic200 HB75-130 m/min
P13Stainless steel and cast steelMartensitic240 HB70-120 m/min
M14Stainless steel and cast steelAustenitic, duplex180 HB60-115 m/min
K15Grey cast iron (GG)Pearlitic/ferritic180 HB90-165 m/min
K16Grey cast iron (GG)Pearlitic/martensitic260 HB70-130 m/min
K17Nodular cast iron (GGG)Ferritic160 HB60-115 m/min
K18Nodular cast iron (GGG)Pearlitic250 HB55-105 m/min
K19Malleable cast ironFerritic130 HB45-90 m/min
K20Malleable cast ironPearlitic230 HB70-135 m/min
N21Aluminum-wrought alloysNot hardenable60 HB115-350 m/min
N22Aluminum-wrought alloysHardenable100 HB80-220 m/min
N23Aluminum-cast alloys <=12% SiNot hardenable75 HB115-350 m/min
N24Aluminum-cast alloys <=12% SiHardenable90 HB100-350 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
N29Non metallic.Duro& fiber plastics80-250 m/min
N30Non metallicHard rubber80-250 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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