T505

t_539_t_01

An optimal CVD grade for high speed machining of cast iron

T505 grade complementing T515 for cast iron turning

Applications & Features

Internal turningExternal turning

1. Grade feature

T505’s coating thickness is 1.5 times thicker than conventional grades.

The thickest coating layer of all Tungaloy’s CVD grades ever

– Thickest coating layer of all Tungaloy’s grades
– Al2O3 coating with strengthened wear resistance
– TiCN layer with high carbon content
– New substrate with high thermal conductivity

2. Application range

– Complementary grade to T515
– High wear resistance
– The best grade for high speed machining of K05 – K20

Grades

T505

  • K05 – K20
  • An optimal CVD grade for high speed machining of cast iron

Practical examples

Part: Machine part
Material: FCD500
Insert: CNMG120408-CM
Grade: T505
Cutting conditions: Vc = 100(m/min)
f = 0.5 (mm/rev)
ap = 2.0 (mm)
Application: External turning
Coolant: Dry
Part: Automotive part
Material: FCD500
Insert: CNMA120408
Grade: T505
Cutting conditions: Vc = 426(m/min)
f = 0.3 (mm/rev)
ap = 3.0 (mm)
Application: External turning
Coolant: Wet

Standard cutting conditions

Negative inserts
Chipbreaker Grades Corner radius
RE
Depth of cut
ap (mm)
Feed
f
(mm/rev)
Cutting speed: Vc (m/min)
Grey cast iron Ductile cast iron
CM T505 0.4 1 – 5 0.1 – 0.25 180 – 700 180 – 400
T505 0.8 1 – 5 0.15 – 0.4 180 – 700 180 – 400
T505 1.2 1 – 5 0.15 – 0.5 180 – 700 180 – 400
All-round T505 0.4 1 – 6 0.2 – 0.3 180 – 700 180 – 400
T505 0.8 1 – 6 0.2 – 0.5 180 – 700 180 – 400
T505 1.2 1 – 6 0.2 – 0.5 180 – 700 180 – 400
T505 1.6 1 – 6 0.3 – 0.5 180 – 700 180 – 400
Flat-top T505 0.8 0.05 – 2 0.2 – 0.45 180 – 700 180 – 400
T505 1.2 0.05 – 2 0.2 – 0.6 180 – 700 180 – 400
Positive insert
Chipbreaker Grades Corner radius
RE
Depth of cut
ap (mm)
Feed
f (mm/rev)
Cutting speed: Vc (m/min)
Grey cast iron Ductile cast iron
CM T505 0.4 0.05 – 2 0.05 – 0.2 180 – 700 180 – 400
T505 0.8 0.05 – 2 0.05 – 0.3 180 – 700 180 – 400
T505 1.2 0.05 – 2 0.05 – 0.3 180 – 700 180 – 400

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