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Grade : IC8250

A tough substrate with a cobalt enriched layer combined with MTCVD TiCN and a thick alpha Al2O3 CVD coating. Recommended for general use machining of steel in a wide range of conditions, featuring high toughness and wear resistance.

PropertyValue
ISO Range - P/M/K(P10-P35)(M05-M20)
ISO Range - H/S/N

PropertyValue
Grade or Coating TypeCVD
Coating Layers TiCN+Al2O3+TiN


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Cutting Speed for: GIPI 6.35E-0.55 IC8250 - 6405233
ISOMaterialMaterial DesignationMaterial ConditionCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%CAnnealed :125195-260 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%CAnnealed :190170-235 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55%CQuench and tempered. :250135-200 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55%CAnnealed :220145-220 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55%CQuenched & tempered. :300115-185 m/min
P6Low alloy & cast steel (less than 5% of alloying elements)Annealed :200125-195 m/min
P7Low alloy & cast steel (less than 5% of alloying elements)Quenched & tempered :275115-195 m/min
P8Low alloy & cast steel (less than 5% of alloying elements)Quenched & tempered :300115-185 m/min
P9Low alloy & cast steel (less than 5% of alloying elements)Quenched & tempered :350105-170 m/min
P10High alloyed steel, cast steel and tool steelAnnealed :200170-235 m/min
P11High alloyed steel, cast steel and tool steelQuenched & tempered :325105-170 m/min
P12Stainless steel and cast steelFerritic/martensitic :20080-145 m/min
P13Stainless steel and cast steelMartensitic :24075-140 m/min
M14Stainless steel and cast steelAustenitic :18045-90 m/min
K15Grey cast iron (GG)Pearlitic/ferritic :180125-225 m/min
K16Grey cast iron (GG)Pearlitic/martensiti :260105-155 m/min
K17Nodular cast iron (GGG)Ferritic :160110-190 m/min
K18Nodular cast iron (GGG)Pearlitic :25090-150 m/min
K19Malleable cast ironFerritic :130140-235 m/min
K20Malleable cast ironPearlitic :230115-190 m/min

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