Grade : TT8020
One of toughest PVD grade for turning, drilling grooving, parting-off and milling in medium and low speed machining of steels, stainless steels and heat resistant materials

PropertyValue
ISO Range - P/M/K(P30-P50)(M30-M50)
ISO Range - H/S/N (S30-S50)
HRA90
Coating TypePVD
Coating LayerTiCN



Cutting Speed for: DCET 11T304 R-GF TT8020 - 5523240
ISOMaterialMaterial DescriptionMaterial ConditionCutting Speed Recommendations
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed :125100-300 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed :190100-270 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55%C.Quench and tempered. :25080-200 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55%C.Annealed :22090-210 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55%C.Quenched & tempered. :30080-180 m/min
P6Low alloy & cast steel (less than 5% of alloying elements).Annealed :20080-200 m/min
P7Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :27540-120 m/min
P8Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :30040-90 m/min
P9Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered :35030-90 m/min
P10High alloyed steel, cast steel and tool steel.Annealed :20060-160 m/min
P11High alloyed steel, cast steel and tool steel.Quenched & tempered :32540-80 m/min
M12Stainless steel and cast steel.Ferritic/martensitic :200100-250 m/min
M13Stainless steel and cast steel.Martensitic :240100-230 m/min
M14Stainless steel and cast steel.Austenitic :18080-200 m/min
S31High temp. alloys Fe based.Annealed :20020-70 m/min
S32High temp. alloys Fe based.Cured :28010-50 m/min
S33High temp. alloys. Ni or Co based.Annealed :25010-40 m/min
S34High temp. alloys. Ni or Co based.Cured :35010-30 m/min
S35High temp. alloys. Ni or Co based.Castr :32010-20 m/min
S36Titanium (pure):31070-150 m/min
S37Titanium Ti alloys.Alpha+beta alloys cu :31020-40 m/min