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

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Standard cutting conditions

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, AH725, SH7025	50 – 180
	Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	AH7025, AH725, SH7025	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

TungCut

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	AH6235,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	AH6235,GH130	50 – 120
	Grey cast iron FC250, etc. 250, etc.	–	First choice	T515	150 – 700
		–	Impact resistance	AH8005, AH7025, AH6235, GH130	50 – 180
	Ductile cast iron FCD450, etc. 450-10S, etc.	–	First choice	T515	150 – 300
		–	Impact resistance	AH8005, AH7025, AH6235, 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 – 60
		< HRC 40	Impact resistance	AH7025, AH725, AH6235	20 – 40
	Titanium alloys Ti-6Al-4V, etc.	< HRC 40	First choice	KS05F	20 – 100
		< HRC 40	Impact resistance	AH7025, AH725	20 – 80

DTV

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

STX

ISO	Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
	External grooving	> 50 HRC	First choice	BX360	80 – 150
	Groove wall cutting
	Side turning
	Internal grooving	> 50 HRC	First choice	BX360	80 – 120
	Face grooving

ISO	Workpiece material	Grade	Operation	Cutting speed Vc (m/min)	Feed f(mm/rev)	Depth of cut ap (mm)
	Aluminium alloys Si ≦ 12%	DX160	Grooving	200 – 2000	0.05 – 0.15	–
		DX160	Turning	200 – 2000	0.07 – 0.3	< 1
	Aluminium alloys Si ≧ 12%	DX160	Grooving	200 – 1500	0.05 – 0.15	–
		DX160	Turning	200 – 1500	0.07 – 0.3	< 1
	Copper and copper alloys	DX160	Grooving	200 – 1500	0.05 – 0.15	–
		DX160	Turning	200 – 1500	0.07 – 0.3	< 1
	Carbon / Graphites	DX160	Grooving	200 – 500	0.05 – 0.15	–
		DX160	Turning	200 – 500	0.07 – 0.3	< 1
	Ceramic	DX160	Grooving	100 – 200	0.02 – 0.1	–
		DX160	Turning	100 – 200	0.02 – 0.1	< 1
	Tungsten carbide（HRA80 – 95）	DX160	Grooving	5 – 30	0.02 – 0.1	–
		DX160	Turning	5 – 30	0.02 – 0.1	0.02 – 0.2

SGN

ISO	Grade	Edge preparation	Workpiece condition	Cutting speed Vc (m/min)	Feed f (mm/rev)
	BX360	No symbol	Continuous	80 – 150	0.03 – 0.08
		-S	Light interrupted	50 – 120	0.03 – 0.08
		-H	Heavy interrupted	40 – 100	0.03 – 0.06

STR

ISO	Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
	External profiling	> 50 HRC	First choice	BXA10	80 – 180

STH

ISO	Grade	CW	Application	Cutting speed Vc (m/min)	Depth of cut ap (mm)	Feed f (mm/rev)
	BXA10	3	External turning	100 – 230	0.08 – 0.12	0.4 – 1
			Face turning	100 – 230	0.08 – 0.12	0.4 – 0.8
		5	External turning	100 – 230	0.08 – 0.12	0.5 – 1.5
			Face turning	100 – 230	0.08 – 0.12	0.5 – 0.8