General Information for Material 70SPb20
Material Group |
H - Hardened Steel |
Sub Group |
|
Hardness |
64.0 HRC |
Tensile Strength |
[N/mm^2] |
Machinability Range |
0% - 0% |
Equivalent International Designations for Material 70SPb20
Chemical Composition for Material 70SPb20
Sorry, Not Availble for this Material
Cutting Speeds Recomendations for Hardened steel
Application |
Vc (m/min) |
Vc (SFM) |
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 70SPb20
Grade for Turning
Grade |
Coating |
Apps Range |
05 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
No data available in table |
Grade for Parting Off
Grade |
Coating |
Apps Range |
05 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
No data available in table |
Grade for Grooving
Grade |
Coating |
Apps Range |
05 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
No data available in table |
Grade for Milling (Indexable)
Grade |
Coating |
Apps Range |
05 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
No data available in table |
Recommended Insert Cutting Edge Geometry for Material 70SPb20