Machining DataSheet for

General Information:
Material GroupS - Superalloys (Heat resistant and Titanium)
Tensile Strength [N/mm^2]
Machinability Range6% - 19%

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"How to use the Material Pages"
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Equivalent International Designations for Material Stellite 188

Standard Name

Chemical Composition for Material Stellite 188

Element Amount
Cobalt (Co)37%
Nickel (Ni)22%
Chromium (Cr)22%
Tungsten (W)14%
Iron (Fe)3%
Carbon (C)0.1%

Cutting Speeds Recomendations for Heat resistant Ni or Co Based

* Click on the speeds below for higher precision in specific conditions!

ApplicationVc (m/min)Vc (SFM)

Important! The speed estimation is given for an ideal situation:

  • Most suitable carbide grade
  • Stable tool clamping
  • Stable workpiece clamping
  • Good quality raw material
  • A short overhang of the cutting tool.
  • Nominal hardness of the material.
  • etc.
Click on the speeds in the above table to get better precision for specific parameters
Or use our Speed and Feed Calculator

Recommended Carbide Grades for Material Stellite 188

* If you do nott understand the below table? Read This Explanation to make the most out of it!

Grade for Turning

Grade for Parting Off

Grade for Grooving

Grade for Milling (Indexable)

Recommended Insert Cutting Edge Geometry for Material Stellite 188

Honing Size:0.02-0.05 mm / 0.001-0.002"
Rake Angle:13° -18°
Land Angle:Neutral
Land Width:0.10-0.20 mm / 0.004-0.008"
Ground Insert:Recommended

Learn more about carbide inserts Cutting-Edge Geometry Parameters.