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Grade : TT7220
PVD coated grade for machining of carbon steels, alloy steels and stainless steels

PropertyValue
ISO Range - P/M/K(P25-P45)(M25-M45)
ISO Range - H/S/N

PropertyValue
Grade or Coating TypePVD
Coating Layers TiCN
Grade ColorGRAY




Cutting Speed for: TDT 4.00E-0.80 TT7220 - 6400279
ISOWorkpiece Material GroupMaterial DesignationMaterial ConditionHardnessCutting Speed Recommendations (Vc)
P1Non-alloy steel and cast steel, free cutting steel <0.25%C.Annealed125 HB80-130 m/min
P2Non-alloy steel and cast steel, free cutting steel >=0.25%C.Annealed190 HB75-115 m/min
P3Non-alloy steel and cast steel, free cutting steel <0.55%C.Quench and tempered.250 HB70-115 m/min
P4Non-alloy steel and cast steel, free cutting steel >=0.55%C.Annealed220 HB60-105 m/min
P5Non-alloy steel and cast steel, free cutting steel >=0.55%C.Quenched & tempered.300 HB55-90 m/min
P6Low alloy & cast steel (less than 5% of alloying elements).Annealed200 HB60-95 m/min
P7Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered275 HB55-90 m/min
P8Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered300 HB60-95 m/min
P9Low alloy & cast steel (less than 5% of alloying elements).Quenched & tempered350 HB40-70 m/min
P10High alloyed steel, cast steel and tool steel.Annealed200 HB55-80 m/min
P11High alloyed steel, cast steel and tool steel.Quenched & tempered325 HB35-50 m/min
M12Stainless steel and cast steel.Ferritic/martensitic200 HB55-110 m/min
M13Stainless steel and cast steel.Martensitic240 HB65-105 m/min
M14Stainless steel and cast steel.Austenitic180 HB50-100 m/min
S31High temp. alloys Fe based.Annealed200 HB20-30 m/min
S32High temp. alloys Fe based.Cured280 HB15-20 m/min
S33High temp. alloys. Ni or Co based.Annealed250 HB15-20 m/min
S34High temp. alloys. Ni or Co based.Cured350 HB15-20 m/min
S35High temp. alloys. Ni or Co based.Castr320 HB15-20 m/min
S36Titanium Ti alloys.310 HB70-90 m/min
S37Titanium Ti alloys.Alpha+beta alloys cu310 HB15-30 m/min

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