General Information for Material Stellite 20
Material Group |
S - Superalloys (Heat resistant and Titanium) |
Sub-Group |
Superalloy |
Tensile Strength |
[N/mm^2] |
Machinability Range |
6% - 19% |
Equivalent International Designations for Material Stellite 20
Chemical Composition for Material Stellite 20
Element |
Amount |
Chromium (Cr) |
33% |
Cobalt (Co) |
45% |
Tungsten (W) |
18% |
Carbon (C) |
2.5% |
Cutting Speeds Recomendations for Heat resistant Ni or Co Based
Application |
Vc (m/min) |
Vc (SFM) |
Turning |
25-75 |
80-250 |
Milling |
20-55 |
70-180 |
Parting |
15-50 |
50-160 |
Grooving |
20-65 |
70-210 |
Drilling |
20-65 |
70-210 |
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.
Recommended Carbide Grades for Material Stellite 20
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Material Stellite 20
Honing Size |
0.02-0.05 mm / 0.001-0.002" |
Rake Angle |
13° -18° |
Land Angle |
Neutral |
Land Width |
0.10-0.20 mm / 0.004-0.008" |
Ground Insert |
Recommended |