Spain · UNE
90 Cr 4
UNE 36254
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.8 | 1 | ||
| Cr | 0.8 | 1.2 | ||
| Mn | 0.5 | 0.8 | ||
| P | 0.04 | |||
| S | 0.04 | |||
| Si | 0.3 | 0.5 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| castings, quenched and tempered, <= 100 mm | HB ≥300 |