INCOLOY 825 (UNS N08825)

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

Ni: 38.0-46.0 Ti: 0.6-1.2 Al: 0.2 max Fe: 22.0 min C: 0.05 max Cr: 19.5-23.5

Mn: 1.0 max Mo: 2.5-3.5 S: 0.03 max Cu: 1.5-3.0 Si: 0.5 max

Available form and specification

Bar, Rod, Wire: ASTM B 425, AS ME Code Case N-572, NACE MR-01-75

Forging: ASTM B 564

Pipe & Tube: ASTM B 163, 423, 704, 705, 751, 775, 829, NACE MR-01-75

Plate, Sheet, Strip: ASTM B 424, 906, NACE MR-01-75