TungCut / TungShortCut

Applications & Features

Inserts & Grades

Toolholders

Practical examples

Example #1

Miniature / Electronic Industry

Part:	Ring encoder
Material:	SUM22L
Toolholder:	CTER2020-4T25
Insert:	DGM4-030
Grade:	AH7025
Cutting conditions:	Vc = 180 (m/min) f = 0.2 (mm/rev) CW = 4 (mm/min) CDX = 8 (mm) Application: Parting off Coolant: Wet

Example #2

General Engineering

Part:	Gear Housing
Material:	SCM420 / 20Cr4
Toolholder:	CTER2525-3T09
Insert:	DTX3-030
Grade:	AH725
Cutting conditions:	Vc = 120 (m/min) f = 0.15 (mm/rev) CW = 3 (mm) CDX = 7 (mm) Application: Grooving Coolant: Wet

Example #3

General Engineering

Part:	Valve
Material:	SUS304 / X5CrNi18-9
Toolholder:	CTIR25-3T05-D250
Insert:	DTX3-030
Grade:	AH7025
Cutting conditions:	Vc = 80 (m/min) f = 0.08 (mm/rev) CW = 3 (mm) CDX = 2.2 (mm) Application: Grooving Coolant: Wet

Standard cutting conditions

External grooving, Turning, Undercutting, Parting-off

ISO	Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
	Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	First choice	AH7025, AH725	50 – 180
		< 300 HB	Wear resistance	T9225, AH8005	80 – 300
		< 300 HB	Impact resistance	GH130	50 – 120
		< 300 HB	Surface quality	NS9530	80 – 220
	Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	First choice	AH7025, AH725	50 – 120
		< 200 HB	Wear resistance	AH8005	50 – 120
		< 200 HB	Impact resistance	GH130	50 – 120
	Grey cast iron FC250, etc. 250, etc.	–	First choice	T515, AH7025	50 – 180
		–	Impact resistance	GH130	50 – 180
	Ductile cast iron FCD450, etc. 450-10S, etc.	–	First choice	T515, AH7025	50 – 120
		–	Impact resistance	GH130	50 – 120
	Aluminium alloys Si < 12%	–	First choice	TH10	100 – 500
		–	First choice	KS05F	100 – 600
	Superalloys Inconel718, etc.	< HRC 40	First choice	AH8005	20 – 80
		< HRC 40	Impact resistance	AH7025, AH725	20 – 60
	Titanium alloys Ti-6Al-4V, etc.	< HRC 40	First choice	KS05F	20 – 80
		< HRC 40	Impact resistance	AH7025, AH725	20 – 80
	Hardened steel SCM435, SUJ2, etc. 34CrMo4, B1, etc.	> HRC 50	First choice	BX360	80 – 150

Internal grooving, Face grooving

ISO	Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
	Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	First choice	AH7025, AH725	50 – 140
		< 300 HB	Wear resistance	T9225, AH8005	80 – 240
		< 300 HB	Impact resistance	AH6235, GH130	50 – 100
		< 300 HB	Surface quality	NS9530	80 – 180
	Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	First choice	AH7025, AH725	50 – 100
		< 200 HB	Wear resistance	AH8005	50 – 100
		< 200 HB	Impact resistance	AH6235, GH130	50 – 100
	Grey cast iron FC250, etc. 250, etc.	–	First choice	T515, AH8005	50 – 140
		–	Impact resistance	AH6235, GH130	50 – 140
	Ductile cast iron FCD450, etc. 450-10S, etc.	–	First choice	T515, AH8005	50 – 100
		–	Impact resistance	AH6235, GH130	50 – 100
	Aluminium alloys Si < 12%	–	First choice	TH10	100 – 400
		–	First choice	KS05F	100 – 480
	Superalloys Inconel718, etc.	< HRC 40	First choice	AH8005	20 – 60
		< HRC 40	Impact resistance	AH7025, AH725	20 – 40
	Titanium alloys Ti-6Al-4V, etc.	< HRC 40	First choice	KS05F	20 – 60
		< HRC 40	Impact resistance	AH7025, AH725	20 – 60
	Hardened steel SCM435, SUJ2, etc. 34CrMo4, B1, etc.	> HRC 50	First choice	BXA20, BX360	80 – 120

New 1.2 mm wide parting-off inserts

ISO	Workpiece material	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Steel C45, 34CrMo4, etc.	AH725	50 – 200	0.01 – 0.05
	Stainless steel X10CrNiS18-9, etc.	AH725	50 – 200	0.01 – 0.05
	Titanium alloys Ti-6Al-4V, etc.	AH725	30 – 80	0.01 – 0.05

Profile turning inserts with 35° nose angle

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Low carbon steels S15C, SS400, etc. C15E4, E275A, etc.	AH7025	50 – 180	0.05 – 0.3
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	AH7025	50 – 180	0.05 – 0.3
	Free cutting steels SUH22, SUH23, etc.	AH7025	50 – 180	0.05 – 0.3
	Stainless steels SUS304, X5CrNi18-9, etc.	AH7025	50 – 120	0.05 – 0.3
	Grey cast iron FC250, etc. 250, etc.	AH7025	50 – 180	0.05 – 0.3
	Ductile cast iron FCD450, etc. 450-10S, etc.	AH7025	50 – 120	0.05 – 0.3
	Titanium alloys Ti-6AI-4V, etc.	AH7025	20 – 80	0.05 – 0.3
	Superalloys Inconel718, etc.	AH7025	20 – 80	0.05 – 0.3

TungShortCut

DGS*S, DTR*S

ISO	Workpiece material	Hardness	Grade	Cutting speed Vc (m/min)
	Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	AH7025	50 – 180
	Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	AH7025	50 – 120
	Gray cast iron FC250, etc. 250, etc.	–	AH7025	50 – 180
	Ductile cast irons FCD450, etc. 450-10S, etc.	–	AH7025	50 – 120
	Superalloys Inconel718, etc.	< HRC 40	AH7025	20 – 60
	Titanium alloys Ti-6Al-4V, etc.	< HRC 40	AH7025	20 – 80

STV*S

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Low carbon steels S15C, SS400, etc. C15E4, E275A, etc.	AH725	50 – 180	0.05 – 0.1
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	AH725	50 – 180	0.05 – 0.1
	Free cutting steels SUH22, SUH23, etc.	AH725	50 – 180	0.05 – 0.1
	Stainless steels SUS304, etc. X5CrNi18-9, etc.	AH725	50 – 120	0.05 – 0.1
	Grey cast iron FC250, etc. 250, etc.	AH725	50 – 180	0.05 – 0.1
	Ductile cast iron FCD450, etc. 450-10S, etc.	AH725	50 – 120	0.05 – 0.1
	Superalloys Inconel718, etc.	AH725	20 – 80	0.05 – 0.1
	Titanium alloys Ti-6AI-4V, etc.	AH725	20 – 80	0.05 – 0.1