INCONEL 725
INCONEL 725
List of Features
Inconel 725
INCONEL® alloy 725 (UNS N07725) is a nickel-chromium-molybdenum-niobium alloy that is highlyresistant to corrosion and is age hardenable for extreme-ly high strength. It has essentially the same corrosionresistance as INCONEL alloy 625, which is widely usedin a broad range of severely corrosive environments.The strength of age-hardened INCONEL alloy 725 is ofthe order of twice that of annealed alloy 625. Becausethe 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-uniformsections 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 |
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