Grade Info

General Information:
BrandSumitomo
Grade StatusOld Version
Substrate ClassSemi Hard
Coat TypePVD
Post TreatN

OLD GRADE NOTICE!

ACK300 is an older generation grade that is no longer recomended by Sumitomo
The recomended modern alternative is :ACK3000
The data below is the data for ACK3000 However, It should be fairly accurate also for ACK300

From Sumitomo's website:

Our 1st recommended grade for milling cast iron. Adopts a high thermal conductivity carbide substrate and a new coating with excellent wear resistance and chipping resistance, realizing stable long tool life over a wide range of cast iron machining operations.



Application Range for ACK3000 (ACK300)

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


Equivalent Grades for ACK3000 (ACK300)

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 ACK3000 (ACK300)

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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