Stainless Steel Welding Wire ER309

Stainless Steel Welding Wire ER309 is used for dissimilar metal welding, such as mild steel and Cr-Mo steel used for welding.
1, Stainless Steel Welding Wire ER309
ER309/ER309L: Used for dissimilar metal welding, such as mild steel and Cr-Mo steel used for welding, welding SUS309S, SCS17, such as, heat, corrosive, and arc stability, excellent welding performance, Ar +0.5-2% O2 gas shielded welding; similar to components used in welding of forgings and castings; used to connect 304 profiles with steel; 304 for the welding of complex composite layers of steel for carbon steel shell-side and in the lining of welded stainless steel sheet.ER309LSi: Primarily used for welding of high silicon, low carbon, 22Cr~12Ni steels.2,
Wire Type
Wire Size
Spool Size
Net Weight
MIG Wire
φ0.8~1.6(mm)
D100mm D200mm D300mm D270mm
1kg 5kg 15kg 20kg
TIG Wire
φ1.6~5.0(mm)
1 meter
5kg 10kg

chemical composition of welding wire(%)
Type
Mechanical Properties or Deposited Metal
C
Si
Mn
Cr
Ni
Mo
Other
Tensile strengthσ
b
(Mpa)
Elongationδ
5
(%)
ER309
607
40
0.083
0.42
1.63
23.83
13.13
-
-
ER309L
588
43
0.023
0.39
1.98
23.88
12.90
-
-
ER309LSi
557
32
0.022
0.87
1.55
24.10
13.00
-
-
Please be noted
Welding position
Wire shall be stocked in dry.open the packs just when welding to avoid the wire rust.
Before welding please clean out the oil,rust,water etc from the work parts