Return to list page
Equivalent designations
UNS N09925
|
Form |
ASTM |
|
Rod, bar and wire |
B 805 |
|
Rod, bar and forging |
B 637 |
|
Plate, sheet and strip |
B 872 |
|
Seamless pipe and tube |
B 983 |
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¡æ |
Features: Incoloy 925 is a precipitation-hardenable nickel-iron-chromium alloy. It combines high strength with Incoloy 825¡¯s excellent corrosion resistance. Incoloy 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.
