| Heat Resistant Stainless Steel |
| Cast Alloy Designation | HH | | UNS Number | J93503 |
| | Comparable Wrought Alloy | 309 | | Applicable ASTM Spec | A297/A447 |
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| Chemical Composition |
| C | 0.20 - 0.50 | | Mn | 2 | | Si | 2 | | P | 0.04 | | S | 0.04 | | Cr | 24.0 - 28.0 |
| | Ni | 11.0 -14.0 | | Mo | 0.50 | | Fe | --- | | Cu | --- | | Other | N 0.20 |
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| Mechanical Properties |
| Tensile (ksi) | 75 | | Yield (ksi) | 35 | | Elongation (%) | 10 |
| | Reduction of area (%) | --- | | Hardness (Brinell) | 180 |
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| Notes |
| All single values are maximums unless noted otherwise.
Brinell hardness values and ranges represent typicals for the grade. |
| More Info |
| Weldable | Yes |
| Castability | Good |
| Processability | Good |
