General Information for Steel 40CMD8
| Material Group |
P - Steel |
| Sub-Grou |
Carbon Steel |
| Tensile Strengt |
1100-1300 [N/mm^2] |
| Machinability Rang |
55% - 80% |
Equivalent International Designations for Steel 40CMD8
| Standard |
Name |
| anfor |
40CMD8 |
Chemical Composition for Steel 40CMD8
Sorry, Not Availble for this Material
Cutting Speeds Recomendations for Non-alloyed steel 0.26-0.50% Carbon
| Application |
Vc (m/min) |
Vc (SFM) |
| Turning |
240-350 |
790-1150 |
| Milling |
150-220 |
490-720 |
| Parting |
115-170 |
380-560 |
| Grooving |
135-195 |
440-640 |
| Drilling |
95-140 |
310-460 |
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 Steel 40CMD8
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Steel 40CMD8
| Honing Siz |
0.05-0.08 mm / 0.002-0.003" |
| Rake Angl |
11° -13° |
| Land Angl |
Positive |
| Land Widt |
0.20-0.30 mm / 0.008-0.012" |
