Grade : IC20N

A very hard cermet grade for turning and grooving. Recommended for finishing operations on steels and alloy steels at high cutting speeds and low feeds. Features excellent surface finish, high wear resistance, plastic deformation durability and prevents built-up edge.

PropertyValue
ISO Range - P/M/K(P05-P25)(M05-M15)
ISO Range - N/S/H

PropertyValue
Grade or Coating TypeUncoated
Coating Layers Uncoated


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Cutting Speed for: GIMY 420 IC20N - 6401991
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB240-320 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB210-290 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB180-270 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB180-270 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB140-220 m/min
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB180-270 m/min
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB140-240 m/min
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB140-220 m/min
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB130-210 m/min
P10High alloyed steel, cast steel and tool steelAnnealed200 HB210-290 m/min
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB130-210 m/min

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