Hastelloy® C-22® Specifications

Explore the specifications and approvals for Hastelloy® C-22® products.

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Hastelloy® C-22® is covered by ASME, ASTM, AWS, DIN 17744 No.2.4602, and TUV Werkstoffblatt 479 specifications.


Hastelloy C-22 is extremely resistant to corrosion in oxidizing and reducing environments. C-22 has shown an outstanding resistance to a wide range of chemicals, including chlorides, organic and inorganic solutions.

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ASME & ASTM Specifications for Hastelloy C-22

The American Society for Mechanical Engineers (ASME) and American Society for Testing and Materials (ASTM) specifications for the wide range of Hastelloy C-22 product forms are listed in the table below:

Plate, Sheet & StripSB-575B 575-
Wire, Rod, Round BarSB-574B 574-
ForgingsSB-564B 564
B 462
B 472
Seamless Pipe & TubeSB-622B 622-
Welded PipeSB-619B 619-
Pipe FittingsSB-366B 366-
Welded TubeSB-626B 626-
Covered Welding ElectrodesSFA5.11
Bare Welding ElectrodesSFA5.14