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: MTECS 06047C19 20UN-L IC908 - 5607407
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB360-625 sfm
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB345-590 sfm
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB345-590 sfm
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB330-560 sfm
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB310-525 sfm
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB295-490 sfm
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB260-460 sfm
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB260-445 sfm
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB245-410 sfm
P10High alloyed steel, cast steel and tool steelAnnealed200 HB230-375 sfm
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB215-360 sfm
P12Stainless steel and cast steelFerritic/martensitic200 HB245-425 sfm
P13Stainless steel and cast steelMartensitic240 HB230-395 sfm
M14Stainless steel and cast steelAustenitic, duplex180 HB195-375 sfm
K15Grey cast iron (GG)Pearlitic/ferritic180 HB295-540 sfm
K16Grey cast iron (GG)Pearlitic/martensitic260 HB230-425 sfm
K17Nodular cast iron (GGG)Ferritic160 HB195-375 sfm
K18Nodular cast iron (GGG)Pearlitic250 HB180-345 sfm
K19Malleable cast ironFerritic130 HB150-295 sfm
K20Malleable cast ironPearlitic230 HB230-445 sfm
N21Aluminum-wrought alloysNot hardenable60 HB375-1150 sfm
N22Aluminum-wrought alloysHardenable100 HB260-720 sfm
N23Aluminum-cast alloys <=12% SiNot hardenable75 HB375-1150 sfm
N24Aluminum-cast alloys <=12% SiHardenable90 HB330-1150 sfm
N25Aluminum-cast alloys >12% SiHigh temperature130 HB195-625 sfm
N26Copper alloys >1% PbFree cutting110 HB230-705 sfm
N27Copper alloysBrass90 HB230-705 sfm
N28Copper alloysElectrolytic copper100 HB180-540 sfm
N29Non metallic.Duro& fiber plastics260-820 sfm
N30Non metallicHard rubber260-820 sfm
S31High temp. alloys Fe basedAnnealed200 HB115-165 sfm
S32High temp. alloys Fe basedHardened280 HB80-130 sfm
S33High temp. alloys Ni or Co basedAnnealed250 HB80-130 sfm
S34High temp. alloys. Ni or Co basedHardened350 HB65-100 sfm
S35High temp. alloys. Ni or Co basedCast320 HB50-80 sfm
S36Titanium (pure)Pure190 HB80-130 sfm
S37Titanium alloysAlpha+beta alloys, hardened310 HB65-100 sfm
H38Hardened steelHardened55 HRC115-195 sfm
H39Hardened steelHardened60 HRC100-165 sfm
H40Chilled cast ironCast400 HB180-295 sfm
H41Cast ironHardened55 HRC115-195 sfm

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