Alloy 925 (UNS N09925) is an age hardenable nickel-iron-chromium alloy with additions of molybdenum, copper, titanium and aluminum, providing a combination of high strength andexcellent corrosion resistance.The high nickel content also gives resistance to chloride ion stress-corrosion cracking.It is used in the petroleum industry for applications such as gas wellcomponents,valves and tubing,as well as finding use in high-strength piping systems.
Alloy 925 Specifications
| Grade | UNSI |
| Alloy 925 | N09925 |
Alloy 925 Chemical composition
| Grade | % | Ni | Cr | Mo | Fe | Cu | Ti | A1 | Mn | Si | Nb | C | S |
| Alloy925 | Min | 42 | 19.5 | 2.5 | Bal. | 1.5 | 1.9 | 0.1 | |||||
| Max | 46 | 23.5 | 3.5 | 3.0 | 2.4 | 0.5 | 1.0 | 0.5 | 0.5 | 0.03 | 0.03 |
Alloy 925 Mechanical properties: (Minimum value at 20℃)
| Tensile Strength
σb/MPa |
Yield Strength
σp0.2/MPa |
Elongation
σ5/% |
| 650 | 300 | 30 |
Alloy 925 Standards
| Bar | Pipe |
| ASTM B637 | ASTM B983 |
