General Information:
Material GroupK - Cast Iron
Sub-GroupCast Iron
Tensile Strength400-740 [N/mm^2]
Machinability Range140% - 210%

Equivalent International Designations for Cast Iron GTW-45-07

StandardName
wnr0.8045
dinGTW-45-07


Chemical Composition for Cast Iron GTW-45-07

Sorry, Not Availble for this Material


Cutting Speeds Recomendations for Malleable cast iron - Ferritic

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

ApplicationVc (m/min)Vc (SFM)
Turning320-4851050-1590
Milling215-325710-1070
Parting160-240520-790
Grooving225-335740-1100
Drilling180-275590-900

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 Cast Iron GTW-45-07

* 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 Cast Iron GTW-45-07

Honing Siz0.05-0.10 mm / 0.002-0.004"
Rake Angl0° -0°
Land AnglNegative
Land Widt0.30-0.40 mm / 0.012-0.016"

Learn more about carbide inserts Cutting-Edge Geometry Parameters.

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