General Information for Cast Iron GGG-NiSiCr20.5.2
| Material Group |
K - Cast Iron |
| Sub-Group |
Cast Iron |
| Tensile Strength |
370 [N/mm^2] |
| Machinability Range |
63% - 145% |
Equivalent International Designations for Cast Iron GGG-NiSiCr20.5.2
| Standard |
Name |
| WNR |
0.7665 |
| DIN |
GGG-NiSiCr20.5.2 |
| BS |
S-NiSiCr 20 5 2 |
| ANFOR |
S-NSC 20 5 2 |
Chemical Composition for Cast Iron GGG-NiSiCr20.5.2
Sorry, Not Availble for this Material
Cutting Speeds Recomendations for Grey cast iron Pearlitic
| Application |
Vc (m/min) |
Vc (SFM) |
| Turning |
145-335 |
480-1100 |
| Milling |
100-225 |
330-740 |
| Parting |
70-165 |
230-540 |
| Grooving |
100-230 |
330-750 |
| Drilling |
80-190 |
260-620 |
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 Cast Iron GGG-NiSiCr20.5.2
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Cast Iron GGG-NiSiCr20.5.2
| Honing Size |
0.05-0.10 mm / 0.002-0.004" |
| Rake Angle |
0° -0° |
| Land Angle |
Negative |
| Land Width |
0.30-0.40 mm / 0.012-0.016" |
