ER347 TIG Stainless Steel Welding Wire Blue Demon

ER347 is a stainless steel welding wire used
in joining types 321 and 347 grades of
stainless. The addition of columbium to this
alloy reduces the possibility of chromium
carbide precipitation and consequent
intergranular corrosion.

AWS Specification
AWS A5.9/A5.9M:2006
AWS Classification ER347

Welding Current
DCEP

Typical Wire Chemistry
C 0.08
Cr 19.0 - 21.5
Ni 9.0 - 11.0
Mo 0.75
Mn 1.0 - 2.5
Si 0.30 - 0.65
P 0.03
S 0.03
Cu 0.75
Nb 10xCmin/1.0max

Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 57
Tensile Strength, ksi 86
Elongation%, min 35

Welding Positions
F,V,OH,H

Available Diameters MIG with
Operating Range in Amps
.023" 35 - 70
.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