Grade Info

General Information:
BrandSumitomo
Grade StatusOld Version
Substrate ClassSemi Hard
Coat TypeCVD
Post TreatY

OLD GRADE NOTICE!

ACK200 is an older generation grade that is no longer recomended by Sumitomo
The recomended modern alternative is :ACK2000
The data below is the data for ACK2000 However, It should be fairly accurate also for ACK200

From Sumitomo's website:

For high-speed cast iron milling. Stable long tool life with high-speed machining is realised by adopting a tough carbide substrate and a new coating with excellent thermal resistance.



Application Range for ACK2000 (ACK200)

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


Equivalent Grades for ACK2000 (ACK200)

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 ACK2000 (ACK200)

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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