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ER2553 is used primarily to weld duplex
stainless steels which contain approximately
25% chromium. It has a ‘duplex’ microstructure
consisting of an austenite-ferrite
matrix. This duplex alloy is characterized
by high tensile strength, resistance to stress
corrosion cracking and improved resistance
to pitting.
AWS Specification
AWS A5.9/A5.9M:2006
AWS Classification ER2553
Welding Current
DCEP
Typical Wire Chemistry
C 0.04
Cr 24.0 - 27.0
Ni 4.5 - 6.5
Mo 2.9 - 3.9
Mn 1.5
Si 1.0
P 0.04
S 0.03
N 0.10 - 0.25
Cu 1.5 - 2.5
Available Diameters MIG with
Operating Range in Amps
.035" 100 - 150
.045" 150 - 200
Available Diameters TIG with
Operating Range in Amps
1/16" 90 - 130
3/32" 120 - 175
1/8" 150 - 220
5/32" 170 - 350
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