Material 431 (HT)


General Information for Material 431 (HT)

Material Group H - Hardened Steel
Hardness 50.5 HB
Tensile Strength 1270-1650[N/mm^2]
Machinability Range 0% - 0%

Equivalent International Designations for Material 431 (HT)

Standard Name
DIN X17CrNi16-2
SAE 431
WNR 1.4057

Chemical Composition for Material 431 (HT)

Sorry, Not Availble for this Material



Cutting Speeds Recomendations for Material 431 (HT)

Application Vc (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.

Grade for Turning

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
No data available in table

Grade for Parting Off

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
No data available in table


Grade for Grooving

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
No data available in table

Grade for Milling (Indexable)

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
No data available in table


Recommended Insert Cutting Edge Geometry for Material 431 (HT)