| General Information: | ||
|---|---|---|
| Material Group | N - Non-Ferrous (Aluminum, Brass, Plastic) | |
| Tensile Strength | 400 [N/mm^2] | |
| Machinability Range | 100% - 170% | |
Equivalent International Designations for Aluminium 2091
| Standard | Name |
|---|
Chemical Composition for Aluminium 2091
| Element | Amount |
|---|---|
| Copper (Cu) | 1.80-2.50% |
| Lithium (Li) | 1.70-2.3% |
| Magnesium (Mg) | 1.10-1.90% |
| Zinc (Zn) | 0.25% |
| Silicon (Si) | 0.2% |
| Chromium (Cr) | 0.1% |
| Manganese (Mn) | 0.1% |
| Titanium (Ti) | 0.1% |
| Aluminum (Al) | rem% |
Cutting Speeds Recomendations for Aluminium, alloyed >12% Si & Li alloys
* Click on the speeds below for higher precision in specific conditions!
Application Vc (m/min) Vc (SFM) Turning 220-380 720-1250 Milling 280-470 920-1540 Parting 150-250 490-820 Grooving 185-315 610-1030 Drilling 95-155 310-510
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 Aluminium 2091
* If you don't 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 Aluminium 2091
| Application | Vc (m/min) | Vc (SFM) |
|---|---|---|
| Turning | 220-380 | 720-1250 |
| Milling | 280-470 | 920-1540 |
| Parting | 150-250 | 490-820 |
| Grooving | 185-315 | 610-1030 |
| Drilling | 95-155 | 310-510 |
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
* If you don't understand the below table? Read This Explanation to make the most out of it!
Learn more about carbide inserts Cutting-Edge Geometry Parameters.
