Description
Inconel 725
INCONEL ® alloy 725 (UNS N07725) is a nickel-chromium-molybdenum-niobium alloy that is highly resistant to corrosion and is age hardenable for extremely high strength. It has essentially the same corrosion resistance as INCONEL alloy 625, which is widely used in a broad range of severely corrosive environments.The strength of age-hardened INCONEL alloy 725 is of the order of twice that of annealed alloy 625. Because the strength of alloy 725 is developed by heat treatment,not by cold work, ductility and toughness remain high.Also, strength can be imparted to large or non uniform sections that cannot be strengthened by cold work.
%Chemical Composition
| Ti | Nb | Mo | Cr | Fe | Ni |
| 1.7 – 1 | 4 – 2.75 | 9.5 – 7 | 22.5 – 19 | Balance | 59 – 55 |
| S | P | Si | Mn | C | Al |
| (max) 0.01 | (max) 0.015 | (max) 0.2 | (max) 0.35 | (max) 0.03 | (max) 0.35 |
Density & Melting Range
| Melting Range (Celsius) | Density |
| 1343 – 1371 | (g/cm) 8.31 |
Mechanical Properties
| Modulus of Elasticity (GPa) | Yield Strength (MPa) | Tensile Strength (MPa) |
| 204 | 427 | 855 |
DM unit
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