Description
Haynes HR-120
HAYNES® HR-120® (UNS N08120) alloy is a solid-solution-strengthened heat-resistant alloy that provides excellent strength at elevated temperature combined with very good resistance to carburizing and sulfidizing environments. Its oxidation resistance is comparable to other widely used Fe-Ni-Cr materials, such as alloys 330 and 800H, but its strength at temperatures up to 2000 ºF (1095 ºC) is significantly higher, even in comparison to Ni-Cr alloys. The alloy can be readily formed hot or cold, and is commonly welded using HAYNES® 556® filler wire.
%Chemical Composition
| W | Mo | Cr | Co | Ni | Fe |
| (max) 2.5 | (max) 2.5 | 25 | (max) 3 | 37 | Balance |
| C | Al | N | Si | Mn | Nb |
| 0.05 | 0.1 | 0.2 | 0.6 | 0.7 | 0.7 |
Density & Melting Point
| Melting Point (Celsius) | Density |
| 1300 | (g/cm) 8.07 |
Hardness
| Hardness (HRBW) | Form |
| 88 | Sheet |
| 87 | Plate |
| 84 | Bar |
DM unit
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