General Information for Steel A570
| Material Group |
P-Steel |
| Sub-Grou |
Carbon Steel |
| Tensile Strengt |
410-790[N/mm^2] |
| Machinability |
55%-80% |
Equivalent International Designations for Steel A570
| Standard |
Name |
| SAE |
A570Gr.40 |
| WNR |
1.0044 |
| DIN |
Fe430B(St44-2) |
| BS |
Fe430BFN/144943/25HR,HS/4360-43B |
| SS |
1411/1412 |
| ANFOR |
E28-2 |
| UNI |
FE430B/Fe430BFN |
| UNF |
AE275B/Fe430BFN |
| JS1 |
SM400A;B;C |
Chemical Composition for Steel A570
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 A570
Recommended Carbide Grades for Steel A570
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Steel A570
| 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" |
