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Standard: AWS A 5.9
ER 309: Welding wire used for welding similar alloys in wrought or cast form; it is mostly used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless overlays. Occasionally, it is used for welding 18-8 base metals when severe corrosion conditions exist; for some applications, welding of straight chromium steels can be accomplished with this consumable.
ER
ER 309LSi: Welding wire similar usage as ER
Wire Type |
Wire Size |
Spool Size |
Net Weight |
||||||||||
MIG Wire |
φ0.8~1.6(mm) |
D |
|
||||||||||
TIG Wire |
φ1.6~5.0(mm) |
1 meter |
|
||||||||||
Core wire |
φ1.6~5.5(mm) |
Coil or Drum |
|
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Grade |
Chemical composition of welding wire (%) |
||||||||||||
C |
Cr |
Ni |
Mo |
Mn |
Si |
P |
S |
Cu |
Other |
||||
ER309 |
0.12 |
23.0–25.0 |
12.0–14.0 |
0.75 |
1.0–2.5 |
0.30–0.65 |
0.03 |
0.03 |
0.75 |
- |
|||
ER |
0.03 |
23.0–25.0 |
12.0–14.0 |
0.75 |
1.0–2.5 |
0.30–0.65 |
0.03 |
0.03 |
0.75 |
- |
|||
ER309LSi |
0.03 |
23.0–25.0 |
12.0–14.0 |
0.75 |
1.0–2.5 |
0.65–1.00 |
0.03 |
0.03 |
0.75 |
- |
|||
ER309Mo |
0.12 |
23.0–25.0 |
12.0–14.0 |
2.0–3.0 |
1.0–2.5 |
0.30–0.65 |
0.03 |
0.03 |
0.75 |
|
|||
ER309LMo |
0.03 |
23.0–25.0 |
12.0–14.0 |
2.0–3.0 |
1.0–2.5 |
0.30–0.65 |
0.03 |
0.03 |
0.75 |
|
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