Machining DataSheet for

General Information:
Material GroupM - Stainless Steel
Sub-GroupDuplex Stainless Steel
Hardness28.0 HRC
Tensile Strength1000 [N/mm^2]
Machinability Range10% - 30%

Watch the Video:
"How to use the Material Pages"
and get the most out of this page!

Watch Video

Equivalent International Designations for Material Duplex 2550 (F61)

Standard Name
saeASTM A182 Grade F61
wnr1.4507
dinX2CrNiMoN25-6-3
unsUNS S32550

Chemical Composition for Material Duplex 2550 (F61)

Element Amount
Iron (Fe)64.6%
Chromium (Cr)25%
Nickel (Ni)6.5%
Molybdenum (Mo)3.6%
Carbon (C)0.03%

Cutting Speeds Recomendations for Stainless steel - Duplex

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

ApplicationVc (m/min)Vc (SFM)
Turning45-130150-430
Milling30-85100-280
Parting20-5570-180
Grooving25-8080-260
Drilling15-4050-130

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 Duplex 2550 (F61)

* 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 Material Duplex 2550 (F61)

Honing Size:0.03-0.05 mm / 0.001-0.002"
Rake Angle:9° -11°
Land Angle:Positive
Land Width:0.20-0.30 mm / 0.008-0.012"

Learn more about carbide inserts Cutting-Edge Geometry Parameters.

Start typing and press enter to search

Scroll to Top