Grade : TT8115
Excellent wear resistance and heat-resistance CVD grade for high speed turning of steel in continuous cutting conditions

PropertyValue
ISO Range - P/M/K(P05-P20)
ISO Range - H/S/N
HRA91
Coating TypeCVD
Coating LayerTiCN-Al2O3-TiN



Cutting Speed for: VNMG 160408 EA TT8115 - 6145292
ISOMaterialMaterial DescriptionMaterial ConditionCutting Speed Recommendations
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed :125280-530 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed :190240-480 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55%C.Quench and tempered. :250200-440 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55%C.Annealed :220220-450 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55%C.Quenched & tempered. :300180-420 m/min
P6Low alloy & cast steel (less than 5% of alloying elements).Annealed :200200-500 m/min
P7Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :275150-280 m/min
P8Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :300130-250 m/min
P9Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :350120-230 m/min
P10High alloyed steel, cast steel and tool steel.Annealed :200190-380 m/min
P11High alloyed steel, cast steel and tool steel.Quenched & tempered :32590-180 m/min