ER2209

ER2209 filler metal is designed to weld
duplex stainless steels such as UNS Number
N31803. The welds are characterized by
high tensile strength and improved resistance
to stress corrosion cracking and pitting.
The wire is lower in ferrite compared to
that of base metal in order to obtain
improved weldability.

AWS Specification
AWS A5.9/A5.9M:2006
AWS Classification ER2209

Welding Current

DCEP

Typical Wire Chemistry
C 0.03
Cr 21.5 - 23.5
Ni 7.5 - 9.5
Mo 2.5 - 3.5
Mn 0.50 - 2.00
Si 0.90
P 0.03
S 0.03
N 0.08 - 0.20
Cu 0.75

Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 93
Tensile strength, ksi 108
Elongation%, min 42

Welding Positions

F,V,OH,H

Available Diameters MIG with
Operating Range in Amps
.030" 50 - 100
.035" 160 - 210
.045" 180 - 250

Available Diameters TIG with
Operating Range in Amps
.035" 60 - 90
.045" 80 - 110
1/16" 90 - 130
3/32" 120 - 175
1/8" 150 - 220
5/32" 170 - 350