Japan · JIS
SCH 33
JIS G5122:2003 — Heat-resistant cast steels and alloys for general applications
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.25 | 0.5 | ||
| Cr | 23 | 25 | ||
| Mn | 2 | |||
| Mo | 0.5 | |||
| Nb | 1.2 | 1.8 | ||
| Ni | 23 | 25 | ||
| P | 0.04 | |||
| S | 0.03 | |||
| Si | 1 | 2.5 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| castings, As cast | ≥220 | ≥400 | ≥4 |