Austenitic: | 316L | ASTM A-269 |
Duplex: | S31803/S32205 | ASTM A-789 |
S32750 | ASTM A-789 | |
Nickel alloy: | N08825 | ASTM B-704; ASTM B-423 |
N06625 | ASTM B-704; ASTM B-444 | |
CuNi alloy | Monel 400 | ASTM B-730; ASTM B-165 |
Characteristics
Excellent resistance to reducing and oxidizing acids.
Good resistance to stress-corrosion cracking.
Satisfactory resistance to localized attack like pitting and crevice corrosion.
Very resistant to sulfuric and phosphoric acids.
Good mechanical properties at both room and elevated temperatures up to approximately 1020° F.
Permission for pressure-vessel use at wall temperatures up to 800°F.
Application
Chemical Processing.
Pollution-control.
Oil and gas well piping.
Nuclear fuel reprocessing.
Components in pickling equipment like heating coils, tanks, baskets and chains.
Acid production.
Close dimensional tolerances.
Considerably enhanced mechanical properties.
Superior surface finish.
High cleanness of inside surface.
Controlled ovality, eccentricity.
Nickel |
Chromium |
Iron |
Molybdenum |
Carbon |
Manganese |
Silicon |
Sulfur |
Aluminum |
Titanium |
Copper |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
|
|
min. |
|
max. |
max. |
max. |
max. |
max. |
|
|
38.0-46.0 |
19.5-23.5 |
22.0 |
2.5-3.5 |
0.05 |
1.0 |
0.5 |
0.03 |
0.2 |
0.6-1.2 |
1.5-3.0 |
Norm Equivalence | |||
Grade |
UNS No |
Euro norm |
|
No |
Name |
||
Alloy | ASTM/ASME | EN10216-5 | EN10216-5 |
825 | N08825 | 2.4858 | NiCr21Mo |