

Incoloy 825 (UNS N08825)
Category: INCOLOY
Overview
INCOLOY 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. The alloy’s chemical composition, is designed to provide exceptional resistance to many corrosive environments. The nickel content is sufficient for resistance to chloride-ion stress-corrosion cracking. The nickel, in conjunction with the molybdenum and copper, also gives outstanding resistance to reducing environments such as those containing sulfuric and phosphoric acids. The molybdenum also aids resistance to pitting and crevice corrosion.
Chemical Composition
Ni | Cr | Fe | Ti | Al | Mo | Mn | Si | S | Cu | C | |
MIN | 38 | 19.5 | 22 | 0.6 | - | 2.5 | - | - | - | 1.5 | - |
MAX | 46 | 23.5 | - | 1.2 | 0.2 | 3.5 | 1.0 | 0.5 | 0.03 | 3.0 | 0.05 |
Physical Properties
Density | 8.14 g/cm³ |
Melting Range | 1370-1400℃ |
Available Products and Specifications
Rod, Bar, Wire and Forging Stock | ASTM B425/ASTM B564 DIN 17752, DIN 17753, DIN 17754 |
Plate, Sheet and Strip | BS 3072NA16, BS 3073NA16, ASTM B 424, ASTM B 906, DIN 17750 |
Pipe and Tube |
ASTM B163/ASTM B423,/ASTM B704 |
Others | ASTM B 366, DIN 17744 |
Features
● Resistant to reducing environments such as those containing sulphuric and phosphoric acids
● Resistant to a variety of oxidising substances such as nitric acid and nitrates
● Resistant to chloride-ion stress corrosion cracking, pitting and crevice corrosion
● Good for chemical processing
Applications
● Chemical Processing
● Nuclear Fuel Reprocessing
● Acid Production
● Pickling Equipment
Keywords: Incoloy 825 (UNS N08825)
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