Grade Info

General Information:
BrandSumitomo
Grade StatusPrimary
ApplicationsTurning
Substrate ClassTough
Coat TypePVD
Post TreatN

From Sumitomo's website:

Grade for interrupted cutting of stainless steel, by new PVD coating "Absotech®", newly optimized composition of TiAlSiN multi-layer structure and exclusive carbide substrate with high peeling and chipping resistance improves greatly the stability of tool life even in unstable cutting.



Application Range for AC6040M

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"How to use the Carbide Grades Information"
and get the most out of this page!


Equivalent Grades for AC6040M

The most compatible grade from each brand!

A higher score (Up to 100%) means the grades are more compatible. A lower score or a particular grade not listed does not mean it is not a good grade. It means that its physical and mechanical properties are less close to echo


Cutting Speed recommendations for AC6040M

How to use our Cutting Speeds Recommendations


  • Pay attention that your desired unit (SFM or m/min) is selected!
  • Speeds are given for stable conditions of Machine, Tool, and workpiece.
  • An empty cell means the grade is not available for the combination of material and application.
  • For more specific Cutting Speeds Recommendations use our advanced
    SPEEDS AND FEEDS CALCULATOR

Unit Selector:

SFM m/min
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