heat resistant alloys
| Category | ACI/Cast | Cast ASTM | Cast EN/DIN | Cast UNS | Wrought UNS | Wrought Grade | |
| Nickel and Cobalt Base | CY40 | A494 | - | N06040 | INCONEL 600 | - | |
| Fe-Cr-Ni | CT15C | A351 | 1.4859 GX10NiCrNb32-20 | N08151 | INCOLOY 800H | - | |
| Fe-Cr-Ni | HC | A297 | 1.4822 GX40CrNi | J92605 | - | - | |
| Fe-Cr | 1.4729 | A743 | 1.4729 GX40CrSi13 | J91553 | - | - | |
| Fe-Cr | 1.4710 | - | 1.4710 GX30CrSi6 | - | - | - |