TungThinSlit Cutting Conditions

Recommended cutting data

Calculated from data on feed per tooth(fz) and cutting width(ae) by selecting work grade

Select grades

Recommended chip thickness

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Recommended chip thickness

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Recommended chip thickness

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Recommended chip thickness

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Standard cutting conditions

ISO Workpiece materials Hardness
(HB)
Priority Grades Cutting speed
Vc (m/min)
Feed per edge line: fz (mm/t)
HSV / TSV
ae / DC (mm)
10% 20% 30% ≤ 50%
Low carbon steel
(SS400 / E275A, etc.)
– 200 HB First choice AH725 90 – 180 0.08 – 0.25 0.06 – 0.19 0.05 – 0.16 0.05 – 0.15
Fracture resistance AH130 90 – 180 0.08 – 0.25 0.06 – 0.19 0.05 – 0.16 0.05 – 0.15
High carbon steel
(S45C / C45, etc.)
200 – 300 HB First choice AH725 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Fracture resistance AH130 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Alloy steel
(SCM440 / 42CrMo4, etc.)
150 – 300 HB First choice AH725 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Fracture resistance AH130 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Tool steel
(SKD61 / X40CrMoV5-1, etc.)
– 300 HB First choice AH725 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Fracture resistance AH130 90 – 180 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Stainless steel
(SUS304 / X5CrNi18-9, etc.)
– 200 HB AH130 90 – 200 0.07 – 0.22 0.05 – 0.16 0.04 – 0.14 0.04 – 0.13
Grey cast iron
(FC250 / 250, etc.)
150 – 250 HB AH120 120 – 230 0.08 – 0.25 0.06 – 0.19 0.05 – 0.16 0.05 – 0.15
Ductile cast iron
(FCD400 / 400-15S, etc.)
150 – 250 HB AH120 90 – 150 0.08 – 0.25 0.06 – 0.19 0.05 – 0.16 0.05 – 0.15
Titanium alloys
(Ti-6Al-4V, etc.)
– 40 HRC First choice AH725 30 – 40 0.07 – 0.12 0.05 – 0.09 0.04 – 0.07 0.04 – 0.07
Fracture resistance AH130 30 – 40 0.07 – 0.12 0.05 – 0.09 0.04 – 0.07 0.04 – 0.07
Nickel-based alloys
(Inconel 718, etc.)
– 40 HRC First choice AH725 20 – 35 0.07 – 0.12 0.05 – 0.09 0.04 – 0.07 0.04 – 0.07
Fracture resistance AH130 20 – 35 0.07 – 0.12 0.05 – 0.09 0.04 – 0.07 0.04 – 0.07