General Information:
Material GroupP - Steel
Sub-GroupFree-Cutting Steel
Tensile Strength650 [N/mm^2]
Machinability66%

Equivalent International Designations for Steel 1151

StandardName
sae1151
wnr1.0727
din45S20
bs212M44
ss1973
anfor45MF4


Chemical Composition for Steel 1151

ElementAmount
Manganese (Mn).70-1.00%
Carbon (C).48-.55%
Sulfur (S).08-.13%
Phosphorus (P)0.03%

Cutting Speeds Recomendations for Steel 1151

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

ApplicationVc (m/min)Vc (SFM)
Turning245-335800-1100
Milling155-205510-670
Parting120-160390-520
Grooving140-185460-610
Drilling100-135330-440

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 1151

* 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 Steel 1151

Honing Siz0.05-0.08 mm / 0.002-0.003"
Rake Angl11° -13°
Land AnglPositive
Land Widt0.20-0.30 mm / 0.008-0.012"

Learn more about carbide inserts Cutting-Edge Geometry Parameters.

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