Machining DataSheet for

General Information:
Material GroupM - Stainless Steel
Sub-GroupAustenitic Stainless Steel
Hardness200.0 HB
Tensile Strength620 [N/mm^2]
Machinability Range35% - 45%

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Equivalent International Designations for Stainless Steel Uranus B6

Standard Name
wnr1.4539
dinX1NiCrMoCuN25-20-5
unsUNS N08904
ss2562

Chemical Composition for Stainless Steel Uranus B6

Element Amount
Nickel (Ni)24.5%
Chromium (Cr)20.5%
Molybdenum (Mo)4.50%
Manganese (Mn)1.60%
Copper (Cu)1.5%
Silicon (Si)0.50%
Phosphorus (P)0.04%
Carbon (C)0.02%

Cutting Speeds Recomendations for Stainless steel - Austenitic

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

ApplicationVc (m/min)Vc (SFM)
Turning155-195510-640
Milling95-125310-410
Parting60-80200-260
Grooving90-120300-390
Drilling45-55150-180

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 Stainless Steel Uranus B6

* 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 Stainless Steel Uranus B6

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.

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