INCOLOY825/UNS N08825/Alloy825/2.4858
Incoloy 825 Flange, UNS N08825 Flange, Alloy 825 Flange, 2.4858 Flange, Incoloy 825 threaded Flange, ASTM B564 Nickel Alloy Flanges supplier
Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. This nickel steel alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments. It is similar to alloy 800 but has improved resistance to aqueous corrosion. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localized attack such as pitting and crevice corrosion. Alloy 825 is especially resistant to sulfuric and phosphoric acids. This nickel steel alloy is used for chemical processing, pollution-control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production, and pickling equipment.
Alloy 825 (UNS N08825) threaded flange Chemical Composition, %
Ni
|
Fe
|
Cr
|
Mb
|
Cu
|
Ti
|
C
|
Mn
|
S
|
Si
|
Al
|
38.0-46.0
|
22.0 min
|
19.5-23.5
|
2.5-3.5
|
1.5-3.0
|
.6-1.2
|
0.05 max
|
1.0 max
|
0.03 max
|
0.5 max
|
0.2 max
|
ASTM Specifications
Pipe Smls
|
Pipe Welded
|
Tube Smls
|
Sheet/Plate
|
Bar
|
Forging
|
Fitting
|
B423
|
B407
|
B423
|
B424
|
B425
|
B564
|
B366
|
General Mechanical Properties
Tensile (ksi)
|
.2% Yield (ksi)
|
85
|
30-35
|
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