Incoloy 825(UNS N08825)

*Similar Grade

*Product Forms

Pipe, Tube, Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

*Brief

A Ni-Fe-Cr-Mo Ti-stabilized alloy with excelle nt resistance to sulfuric  and phosphoric acids. Resistant to reducing and oxidizi ng acids, pitting, stress-corrosion cracking and intergranular corrosion, it is used in chemical and petrochemical processing , oil and gas extraction, pollution control, waste processing and pickling applications

*Chemical Composition,%

*Typical Physical & Mechanical Property(Annealed)

*Specification

*Feature

1. Good resistance to stress-corrosion cracking

2. Satisfactory resistance to pitting and crevice corrosion

3. Good resistance to oxidizing and non-oxidizing hot acids

4. Good mechanical properties at both room and elevated temperatures, up to approximately 550℃

5. Approval for pressure vessels with wall temperatures up to 450℃

*Application

1. Components such as heating coils, tanks, crates, baskets and chains in sulphuric acid pickling plants

2. Sea-water-cooled heat exchangers, offshore product piping systems; tubes and components in sour gas service

3. Heat exchangers, evaporators, scrubbers, dip pipes etc. in phosphoric acid production

4. Air-cooled heat exchangers in petroleum refineries

5. Food processing

6. Chemical plant