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C22 (ERNiCrMo-10)

AWS A5.14 ERNiCrMo-10
ASME SFA 5.14 ERNiCrMo-10

Alloy C22® is a nickel chromium molybdenum alloy wire designed for joining Hastelloy® C22®, 625, 825 or combinations of these alloys, or other Ni-Cr-Mo alloys to themselves or to stainless steels. Washington Alloy C22® is equivalent to Hastelly® C22® and is also used extensively for overlays and cladding of lower alloy steels. Washington Alloy C22® weld deposits offer better overall resistance to weld metal corrosion than most other Ni-Cr-Mo alloys such as C276, C4 and 625. Washington Alloy C22® has outstanding resistance to pitting, crevice corrosion and stress-corrosion cracking. This alloy is used in chemical processing application involving ferric and cupric and inorganic, chlorine formic and acetic acids, acetic anhydride, sea water, and brine solutions.

TYPICAL WELD METAL CHEMISTRY (%) 

Cr

20.0-22.5

Mo

12.5-14.5

Fe

2.0-6.0

W

2.5-3.5

Cu

0.500 max.

V

0.350 max.

Co

2.500 max.

C

0.015 max.

Mn

0.500 max.

Si

0.080 max.

Ni

Balance

Hastelloy® and C22® are registered trademarks of Haynes International

MINIMUM MECHANICAL PROPERTIES (as welded)

Tensile strength (psi)

76,500

Yield strength (0.2% offset) (psi)

113,000

Elongation in 2" (%)

47

Hastelloy® and C22® are registered trademarks of Haynes

International

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