General Information for Steel A70-2
| Material Group |
P-Steel |
| Sub-Grou |
Carbon Steel |
| Tensile Strengt |
670-1000[N/mm^2] |
| Machinability |
55%-80% |
Equivalent International Designations for Steel A70-2
| Standard |
Name |
| WNR |
1.0070 |
| DIN |
Fe690-2(St70-2) |
| BS |
Fe690-2FN |
| SS |
1655 |
| ANFOR |
A70-2 |
| UNI |
Fe70-2/Fe690 |
| UNF |
A690-2/Fe690-2FN |
| JS1 |
SM570 |
Chemical Composition for Steel A70-2
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 A70-2
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Steel A70-2
| 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" |
