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Alloy C22 (ENiCrMo-10) electrodes are
used for welding of nickel-chromium-molybdenum
alloys as well as for overlay cladding
on carbon, low alloy, or stainless steels. They
are also used for dissimilar joints between
nickel-chromium-molybdenum alloys and
stainless, carbon, or low alloy steels. C22
offers excellent corrosion resistance in
oxidizing as well as reducing media
in a wide variety of chemical process
environments. It also offers spectacular
resistance to stress corrosion cracking,
pitting, and crevice corrosion.
AWS Specification
A5.11/A5.11M:2010
AWS Classification ENiCrMo-10
Welding Current
DCEP
Typical Wire Chemistry
C 0.02
Mn 1.0
Fe 2.0 - 6.0
P 0.03
S 0.015
Si 0.2
Cu 0.50
Nib REM
Co 2.5
Cr 20.0 - 22.5
Mo 12.5 - 14.5
V 0.35
W 2.5 - 3.5
OTHER 0.50
Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 78
Tensile Strength, ksi 114
Elongation%, min 36
Welding Positions
F,V,OH,H
Available Diameters and
Operating Range in Amps
3/32" 65 - 75
1/8" 80 - 90
5/32" 100 - 120
3/16" 110 - 130
b – includes incidental cobalt
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