This specification covers chromium-nickel alloy castings intended for heat-resisting and elevated-temperature corrosion applications, such as structural members, containers, supports, hangers, spacers, and the like, in corrosive environments up to 2000°F [1090°C].
| Grade | UNS |
|---|---|
| 50 Cr - 50 Ni | R20600 |
| 60 Cr - 40 Ni | R20500 |
| 50 Cr - 50 Ni - Cb | R20501 |