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: TPMR 321-FTF IC20N - 5801551
ISOMaterialMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB820-1310 sfm
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB720-1150 sfm
P3Non-alloy steel and cast steel, free cutting steel <0.55% CQuenched and tempered250 HB590-1050 sfm
P4Non-alloy steel and cast steel, free cutting steel >=0.55% CAnnealed220 HB690-1115 sfm
P5Non-alloy steel and cast steel, free cutting steel >=0.55% CQuenched and tempered.300 HB525-985 sfm
P6Low alloy and cast steel (less than 5% of alloying elements)Annealed200 HB590-1050 sfm
P7Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered275 HB560-985 sfm
P8Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered300 HB525-820 sfm
P9Low alloy and cast steel (less than 5% of alloying elements)Quenched and tempered350 HB490-720 sfm
P10High alloyed steel, cast steel and tool steelAnnealed200 HB590-985 sfm
P11High alloyed steel, cast steel and tool steelQuenched and tempered325 HB490-720 sfm

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