Chemical composition
| % | Ni | Fe | Cr | C | Mn | Si | P | S | Mo | Cu | Ti | Al | Nb |
| min | 42.0 | 22.0 | 19.5 | 2.5 | 1.5 | 1.9 | 0.10 | ||||||
| max | 46.0 | 22.5 | 0.030 | 1.00 | 0.50 | 0.030 | 0.030 | 3.5 | 3.0 | 2.4 | 0.50 | 0.50 |
Physical properties
| Density | 8.08 g/cm3 |
| Melting range | 1311-1366℃ |
Features:Alloy 925 is a precipitation-hardenable nickel-iron-chromium alloy. It combines high strength with Alloy 825′s excellent corrosion resistance. Alloy 925 is particularly resistant to sulfide-induced stress cracking and stress-corrosion cracking.
Applications: Down-hole and surface well components for sour (containing hydrogen sulfide) crude oil and natural gas production.
Note: Incoloy is a registered trademark of the Special Metals Corporation group of companies.
ASTM B983 Alloy 925 / UNS N09925 Nickel Alloy Seamless Tube; ASTM B677 / B829 Alloy 926 / UNS N08926 Nickel Alloy Seamless Tube; ASTM B677 / B829 Alloy 926 / UNS N08926 Nickel Alloy Seamless Pipe; Alloy 556 / UNS R30556 Nickel Alloy Seamless