Machining DataSheet for

General Information:
Material GroupP - Steel
Sub-GroupTool Steel
Tensile Strength970 [N/mm^2]
Machinability Range23% - 55%

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"How to use the Material Pages"
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Equivalent International Designations for Steel HW3

Standard Name
saeHW3
wnr1.4718
dinX45GrSi93
bs401S45
anforZ45CS9
uniX45GrSi8
unfF.322
js1SUH1

Chemical Composition for Steel HW3

Sorry, Not Availble for this Material


Cutting Speeds Recomendations for Tool Steel and High Alloy Steel

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

ApplicationVc (m/min)Vc (SFM)
Turning100-240330-790
Milling65-150210-490
Parting50-115160-380
Grooving55-135180-440
Drilling40-95130-310

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 Steel HW3

* 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 Steel HW3

Honing Size:0.05-0.08 mm / 0.002-0.003"
Rake Angle:11° -13°
Land Angle:Positive
Land Width:0.20-0.30 mm / 0.008-0.012"

Learn more about carbide inserts Cutting-Edge Geometry Parameters.

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