General Information:
Material GroupS - Superalloys (Heat resistant and Titanium)
Sub-GroupSuperalloy
Hardne300.0 HB
Tensile Strength970 [N/mm^2]
Machinability Range0% - 0%

Equivalent International Designations for Material Greek Ascoloy - 418

StandardName
sae5508
uns41800


Chemical Composition for Material Greek Ascoloy - 418

ElementAmount
Iron (Fe)80%
Chromium (Cr)12%
Tungsten (W)2.5%
Nickel (Ni)2%
Manganese (Mn)0.4%
Silicon (Si)0.3%
Molybdenum (Mo)0.2%
Carbon (C)0.15%

Cutting Speeds Recomendations for Heat resistant Fe Based

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

ApplicationVc (m/min)Vc (SFM)
Turning100-200330-660
Milling75-150250-490
Parting65-125210-410
Grooving90-175300-570
Drilling90-175300-570

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 Greek Ascoloy - 418

* If you don't 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 Greek Ascoloy - 418

Honing Siz0.02-0.05 mm / 0.001-0.002"
Rake Angl13° -18°
Land AnglNeutral
Land Widt0.10-0.20 mm / 0.004-0.008"
Ground InserRecommended

Learn more about carbide inserts Cutting-Edge Geometry Parameters.

Subscribe to out Newsletter and Get the Free Machinability eBook
Scroll to Top