| Martensitic Stainless Steel |
| Cast Alloy Designation | C12A | | UNS Number | J84090 |
| | Comparable Wrought Alloy | --- | | Applicable ASTM Spec | A217 |
|
|
| Chemical Composition |
| C | 0.08 - 0.12 | | Mn | 0.3 - 0.12 | | Si | 0.20 - 0.50 | | P | 0.025 | | S | 0.01 | | Cr | 8.0 - 9.5 |
| | Ni | 0.4 | | Mo | 0.85 - 1.05 | | Fe | --- | | Cu | --- | | Other | Cb 0.06 - 0.10N 0.030 - 0.070, V 0.18 - 0.25 |
|
|
| Mechanical Properties |
| Tensile (ksi) | 85 -110 | | Yield (ksi) | 60 | | Elongation (%) | 18 |
| | Reduction of area (%) | 45 | | Hardness (Brinell) | --- |
|
|
| Notes |
| All single values are maximums unless noted otherwise.
Brinell hardness values and ranges represent typicals for the grade. |
| More Info |
| Weldable | Yes but crack prone |
| Castability | Hard |
| Processability | Medium |
