Grade : TT8135
CVD coated grade on tough substrate for steels heavy turning of wide ranges of medium to roughing with low cutting speed

PropertyValue
ISO Range - P/M/K(P25-40)
ISO Range - H/S/N
HRA90
Coating TypeCVD
Coating LayerTiCN-Al2O3-TiN



Cutting Speed for: CNMX 120508 HB TT8135 - 6123081
ISOMaterialMaterial DescriptionMaterial ConditionCutting Speed Recommendations
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed :125190-400 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed :190170-360 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55%C.Quench and tempered. :250130-320 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55%C.Annealed :220160-340 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55%C.Quenched & tempered. :300120-300 m/min
P6Low alloy & cast steel (less than 5% of alloying elements).Annealed :200130-280 m/min
P7Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :27580-170 m/min
P8Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :30070-150 m/min
P9Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :35060-140 m/min
P10High alloyed steel, cast steel and tool steel.Annealed :200100-220 m/min
P11High alloyed steel, cast steel and tool steel.Quenched & tempered :32545-100 m/min