Romania · STAS
Class 04
SR EN ISO 898-6
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.58 | |||
| Mn | 0.25 | |||
| P | 0.06 | |||
| S | 0.015 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| fasteners +NQT, 8 <= d <= 39 mm | ≥380 | HV 188–302 |