General Information for Material Inconel 690
| Material Group |
S - Superalloys (Heat resistant and Titanium) |
| Sub-Group |
Superalloy |
| Hardness |
85.0 HRB |
| Tensile Strength |
550[N/mm^2] |
| Machinability Range |
15% - 45% |
Equivalent International Designations for Material Inconel 690
| Standard |
Name |
| UNS |
UNS N06690 |
| WNR |
2.4642 |
| ANFOR |
NC30Fe |
Chemical Composition for Material Inconel 690
| Element |
Amount |
| Nickel (Ni) |
62% |
| Chromium (Cr) |
29% |
| Iron (Fe) |
9.0% |
| Carbon (C) |
0.25% |
| Silicon (Si) |
0.2% |
| Manganese (Mn) |
0.2% |
| Sulfur (S) |
0.007% |
Cutting Speeds Recomendations for Heat resistant Ni or Co Based
| Application |
Vc (m/min) |
Vc (SFM) |
| Turning |
60-180 |
200-590 |
| Milling |
45-135 |
150-440 |
| Parting |
40-115 |
130-380 |
| Grooving |
55-160 |
180-520 |
| Drilling |
55-160 |
180-520 |
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 Inconel 690
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Material Inconel 690
| 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 |
