Alloy 282/UNS N07208
Grade: Haynes 282/UNS N07208
Sheet/Plate: 0.3mm-150mm
Strip/Foil: 0.02mm-16mm
Pipe: 6mm*0.5mm-1200mm*100mm
Bar: Ф6mm – Ф600mm
Wire: Ф0.01mm – Ф6mm
Others: Forged Rings, Flanges, Elbows, Tees, Reducers etc.
Standard: ASTM/ASME/AMS
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HAYNES 282 is a wrought nickel-base superalloy strengthened by gamma-prime precipitation. It combines creep strength, thermal stability and weldability for demanding turbine structures. Its relatively controlled precipitation behavior supports fabrication in the solution-annealed condition, followed by aging to develop strength. Applications include aircraft and industrial gas turbines, while specially qualified heat treatments extend its relevance to advanced power generation and pressure equipment.
Chemical composition
| Element | Weight percent | Element | Weight percent |
| Ni | Balance | Cr | 20 |
| Co | 10 | Mo | 8.5 |
| Ti | 2.1 | Al | 1.5 |
| Fe | 1.5 max | Mn | 0.3 max |
| Si | 0.15 max | C | 0.06 |
| B | 0.005 | — | — |
Mechanical properties
Sheet solution annealed at 1149°C, then aged at 1010°C for 2 h / air cool plus 788°C for 8 h / air cool. Typical tensile data.
| Test temperature °C | 0.2% yield MPa | Tensile MPa | Elongation % |
| RT | 699 | 1132 | 30 |
| 649 | 631 | 1005 | 27 |
| 760 | 612 | 833 | 22 |
| 871 | 501 | 555 | 31 |
Source: Haynes International 282 alloy data. Typical values; not purchase acceptance limits.
Application areas
- Aircraft and industrial gas turbine combustors
- Turbine, exhaust and nozzle components
- Engine cases and rolled rings using an appropriate heat treatment
- Candidate material for advanced ultra-supercritical boilers and steam turbines
- Candidate material for supercritical CO2 and concentrating solar power systems


HAYNES 282 is a wrought nickel-base superalloy strengthened by gamma-prime precipitation. It combines creep strength, thermal stability and weldability for demanding turbine structures. Its relatively controlled precipitation behavior supports fabrication in the solution-annealed condition, followed by aging to develop strength. Applications include aircraft and industrial gas turbines, while specially qualified heat treatments extend its relevance to advanced power generation and pressure equipment.
Chemical composition
| Element | Weight percent | Element | Weight percent |
| Ni | Balance | Cr | 20 |
| Co | 10 | Mo | 8.5 |
| Ti | 2.1 | Al | 1.5 |
| Fe | 1.5 max | Mn | 0.3 max |
| Si | 0.15 max | C | 0.06 |
| B | 0.005 | — | — |
Mechanical properties
Sheet solution annealed at 1149°C, then aged at 1010°C for 2 h / air cool plus 788°C for 8 h / air cool. Typical tensile data.
| Test temperature °C | 0.2% yield MPa | Tensile MPa | Elongation % |
| RT | 699 | 1132 | 30 |
| 649 | 631 | 1005 | 27 |
| 760 | 612 | 833 | 22 |
| 871 | 501 | 555 | 31 |
Source: Haynes International 282 alloy data. Typical values; not purchase acceptance limits.
Application areas
- Aircraft and industrial gas turbine combustors
- Turbine, exhaust and nozzle components
- Engine cases and rolled rings using an appropriate heat treatment
- Candidate material for advanced ultra-supercritical boilers and steam turbines
- Candidate material for supercritical CO2 and concentrating solar power systems
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