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this alloy >
ER309LSI is similar in composition to ER309L
with a higher silicon content, which produces
weld beads that are exceptionally smooth
due to good wetting action. 309LSI is a
great choice when cosmetic appearance
is important.
AWS Specification
AWS A5.9/A5.9M:2006
AWS Classification ER309LSI
Welding Current
DCEP
Typical Wire Chemistry
C 0.03
Cr 23.0 - 25.0
Ni 12.0 - 14.0
Mo 0.75
Mn 1.0 - 2.5
Si 0.65 - 1.00
P 0.03
S 0.03
Cu 0.75
Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 64
Tensile Strength, ksi 87
Elongation%, min 41
Welding Positions
F,V,OH,H
Available Diameters MIG with
Operating Range in Amps
.023" 35 - 70
.030" 50 - 100
.035" 100 - 150
.045" 150 - 200
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
< CLICK HERE for additional information on
this alloy >
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