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T6200 & AH6200 series

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Latest grade series for stainless steel turning with exceptional reliability

Latest grade series that provide solutions for all your machining challenges in stainless steel

Applications & Features

Applications

Internal turningExternal turning

Features

1. Application range

2. Grade feature

Versatile PVD-coated grade

Ti-enriched coating

– Thick Ti-enriched PVD coating for enhanced thermal shock resistance
– Reduced crater wear

High Ti-content nano-structured multilayer coating

The outer layer consists of a high Ti-content nano-structured multilayer made possible by Tungaloy’s latest coating technology. Its high hardness and nano structure provides the grade with a good balance of wear and fracture resistance, enhancing tool life and predictability.

Superior wear resistance

Enhanced hardness of outer layer

– Hard outer layer coating significantly reduces flank wear.

Strong adhesion of Al2O3 layers

– Tungaloy’s latest Al2O3 coating technology enhances the grade’s adhesion of coating, preventing edge chipping and coating delamination.

Thick coating

– 30% thicker than conventional grades.
– Provides superior wear resistance and long tool life.

Grades

T6215

  • P10 – P30 / M10 – M30

  • Demonstrates excellent wear resistance for high speed continuous stainless steel cuts

AH6225

  • P20 – P30 / M20 – M30
  • First choice for stainless steel
  • Excellent versatility for stainless steel machining, demonstrates a good combination of wear and fracture resistance

AH6235

  • P30 – P40 / M30 – M40
  • Demonstrates superior fracture resistance in stainless steel
  • Provides high reliability for interrupted cuts and heavy-duty machining

Practical examples

Example #1
Part: Pipe part
Material: SUS304 / X5CrNi18-9
Insert: DNMG150408-SM
Grade: T6215
Cutting conditions: Vc = 150(m/min)
f = 0.3 (mm/rev)
ap = 3 (mm)
Application: External turning
Coolant: Wet
Example #2
Part: Machine part
Material: SUS304 / X5CrNi18-9
Insert: TNMG160408-SM
Grade: T6215
Cutting conditions: Vc = 200(m/min)
f = 0.3 (mm/rev)
ap = 2.5 (mm)
Application: External face turning
Coolant: Wet
Example #3
Part: Generator part
Material: SUS410 / X12Cr13
Insert: CNMG120408-SH
Grade: AH6235
Cutting conditions: Vc = 70 (m/min)
f = 0.15 (mm/rev)
ap = 2 – 4 (mm)
Application: Face turning (interrupted cutting)
Coolant: Wet
Example #4
Part: Machine part
Material: SUS304 / X5CrNi18-9
Insert: CNMG120412-SM
Grade: AH6235
Cutting conditions: Vc = 80 (m/min)
f = 0.2 (mm/rev)
ap = 1.5 (mm)
Application: Face turning (interrupted cutting)
Coolant: Wet
Example #5
Part: Joint part
Material: SUS304 / X5CrNi18-9
Insert: CNMG120404-SM
Grade: AH6225
Cutting conditions: Vc = 90(m/min)
f = 0.2 (mm/rev)
ap = 1 (mm)
Application: External turning
Coolant: Wet
Example #6
Part: Machine part
Material: SUS440 (Martensite stainless steel)
Insert: VNMG160404-SF
Grade: AH6225
Cutting conditions: Vc = 110 (m/min)
f = 0.1 (mm/rev)
ap = 0.5 (mm)
Application: External turning
Coolant: Wet

Standard cutting conditions

Negative inserts
ISO Operation Chipbreaker Grade Depth of cut
ap (mm)		 Feed
f (mm/rev)		 Cutting speed: Vc (m/min)
Austenitic
stainless steel		 Ferritic / martensite
stainless steel		 Precipitation hardened
stainless steel
Finishing SF T6215 0.5 – 2.5 0.08 – 0.45 140 – 240 160 – 280 80 – 150
T6225 0.5 – 2.5 0.08 – 0.45 90 – 200 110 – 240 60 – 110
AH6225 0.5 – 2.5 0.08 – 0.45 90 – 200 110 – 240 60 – 110
AH6235 0.5 – 2.5 0.08 – 0.45 50 – 150 70 – 170 –
Medium cutting SM T6215 1 – 4 0.2 – 0.5 140 – 240 160 – 280 80 – 150
T6225 1 – 4 0.2 – 0.5 90 – 200 110 – 240 60 – 110
AH6225 1 – 4 0.2 – 0.5 90 – 200 110 – 240 60 – 110
AH6235 1 – 4 0.2 – 0.5 50 – 150 70 – 170 –
SDM T6215 1 – 4 0.2 – 0.5 140 – 240 160 – 280 80 – 150
AH6225 1 – 4 0.2 – 0.5 90 – 200 110 – 240 60 – 110
AH6235 1 – 4 0.2 – 0.5 50 – 150 70 – 170 –
Heavy cutting SH T6215 2 – 6 0.3 – 0.6 140 – 240 160 – 280 80 – 150
AH6225 2 – 6 0.3 – 0.6 90 – 200 110 – 240 60 – 110
AH6235 2 – 6 0.3 – 0.6 50 – 150 70 – 170 –
PSS / PS / PM
ISO Operation Chipbreaker Grade Depth of cut
ap (mm)		 Feed
f (mm/rev)		 Cutting speed: Vc (m/min)
Austenitic
stainless steel		 Ferritic / martensite stainless steel Precipitation hardened stainless steel
Finishing PSS T6215 0.3 – 2 0.08 – 0.3 140 – 240 160 – 280 80 – 150
AH6225 0.3 – 2 0.08 – 0.3 90 – 200 110 – 240 60 – 110
AH6235 0.3 – 2 0.08 – 0.3 50 – 150 70 – 170 –
Finishing to
medium cutting		 PS T6215 0.5 – 2.5 0.08 – 0.3 140 – 240 160 – 280 80 – 150
AH6225 0.5 – 2.5 0.08 – 0.3 90 – 200 110 – 240 60 – 110
AH6235 0.5 – 2.5 0.08 – 0.3 50 – 150 70 – 170 –
Medium cutting PM T6215 1 – 3 0.15 – 0.3 140 – 240 160 – 280 80 – 150
AH6225 1 – 3 0.15 – 0.3 90 – 200 110 – 240 60 – 110
AH6235 1 – 3 0.15 – 0.3 50 – 150 70 – 170 –
JS chipbreaker
ISO Workpiece materials Chipbreaker Grade Cutting speed
Vc (m/min)		 Depth of cut
ap (mm)		 Feedf (mm/rev)
RE < 0.05 RE < 0.1 RE < 0.2 RE < 0.4
Austenitic stainless steel JS AH6225 90 – 200 0.5 – 3 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 0.05 – 0.2
Ferritic / martensite stainless steel JS AH6225 110 – 240 0.5 – 3 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 0.05 – 0.2
Precipitation hardened stainless steel JS AH6225 60 – 110 0.5 – 3 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 0.05 – 0.2

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