Grade : IC8250

A tough substrate with a cobalt enriched layer combined with multi-layer 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 - N/S/H

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


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Cutting Speed for: WNMG 643-TNM IC8250 - 5507827
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB820-1245 sfm
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB785-1115 sfm
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB655-985 sfm
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB720-950 sfm
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB625-920 sfm
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB560-985 sfm
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB525-920 sfm
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB625-855 sfm
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB490-820 sfm
P10High alloyed steel, cast steel and tool steelAnnealed200 HB560-920 sfm
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB395-720 sfm
P12Stainless steel and cast steelFerritic/martensitic200 HB625-1050 sfm
P13Stainless steel and cast steelMartensitic240 HB560-985 sfm

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