About Alloy
Alloy 925 / Incoloy 925 / UNS N09925 is an age hardenable nickel-iron-chromium alloy with the addition of molybdenum, copper, titanium and aluminium. Each of these additions play their own part in making Alloy 925 a high strength alloy with excellent corrosion resistance. Alloy 925 is used in various applications in the crude oil and natural gas industry this is because Alloy 925 is resistant to sulfide stress cracking and stress-corrosion cracking and therefore a perfect alloy for use down-hole and surface gas well components.
Product Form
Rod, Bar, Wire and Forgings: ASTM B408, ASTM B564, ISO 9723/9724/9725
Plate, Sheet and Strip: ASTM A240/A480/B409/B906, ISO 6208
Pipe and Tube: ASTM B163, ASTM B407/B829, ASTM B514/B775, ASTM B515/B751, ISO 6207
Chemical Composition
| Alloy | C | Si | Mn | P | S | Cr | Ni | Mo | Al | Ti | Cu | Fe |
| Incoloy 925 | ≤0.03 | ≤0.50 | ≤1.00 | ≤0.03 | ≤0.03 | 19.5-22.5 | 42.0-46.0 | 2.5-3.5 | 0.1-0.5 | 1.9-2.4 | 1.5-3.0 | Bal |
Property
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HB |
| 8.08 | 1311-1366 | 1210 | 810 | 24 | – |
Application
● Power generation equipment (heat exchangers, boilers)
● Chemical processing plants
● Oil and gas production facilities
● Aerospace and marine engineering components
● Valves, pumps, and other high-performance industrial parts
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