Hastelloy C22

UNS N06022

Alloy C22 resists both reducing and oxidizing acids. In some tests, it shows superior pitting resistance to Alloy C276 and Alloy 625. Alloy C22 is used in furnace scrubbers and phosphoric acid production.

Alloy C22 Fasteners


  • Plate, Sheet & Strip: ASTM B575, ASME SB575
  • Rod & Bar: ASTM B574, ASME SB574
  • Seamless Pipe & Tube: ASTM B622, ASME SB622
  • Welded Pipe & Tube: ASTM B619, ASME SB619
  • Fittings: ASTM B366, ASME SB366
  • Forgings: ASTM B564, ASME SB564
  • Technischer Überwachungsverein (TÜV): Werkstoffblatt 479, Kennblatt 4535.00, Kennblatt 4536.00, Kennblatt 4534.01
  • Others: NACE MR0175

Material Properties

Material Properties: Hastelloy C22

Technical Data Sheet

Industries & Applications

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