General Information for Steel 1215
| Material Group |
P-Steel |
| Sub-Grou |
Free-Cutting Steel |
| Tensile Strengt |
430-740[N/mm^2] |
| Machinability |
136% |
Equivalent International Designations for Steel 1215
| Standard |
Name |
| SAE |
1215 |
| WNR |
1.0736 |
| DIN |
9SMn36 |
| BS |
240M07 |
| ANFOR |
S300 |
| UNI |
CF9SMn36 |
| UNF |
12SMn35 |
Chemical Composition for Steel 1215
| Element |
Amount |
| Manganese (Mn) |
0.70-1.05% |
| Sulfur(S) |
.26-.35% |
| Carbon (C) |
0.09% |
| Phosphorus(P) |
0.04-.09% |
Cutting Speeds Recomendations for Steel 1215
| Application |
Vc (m/min) |
Vc (SFM) |
| Turning |
505-685 |
1660-2250 |
| Milling |
315-425 |
1030-1390 |
| Parting |
245-330 |
800-1080 |
| Grooving |
285-385 |
930-1260 |
| Drilling |
205-275 |
670-900 |
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 1215
Recommended Carbide Grades for Steel 1215
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Steel 1215
| 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" |
