AWS A5.9 ER309L
EN EN12072 G 23 12 L
JIS Z3321 Y309L
▶︎ Characteristics:
It is the low carbon content designed to prevent intergranular corrosion.It is used to join similar 309L alloys or join 300 series stainless steels to carbon or low alloy steels.
▶︎ Applications:
It is used for oil and gas refineries, include welding of AISI 309 in chemical and welding of dissimilar base metals of stainless and carbon steels.
▶︎ Notes on Usage:
1. For TIG process, use DC(-) current , Argon Shield and Tungsten Electrode.
▶︎ Classification:
AWS A5.9 ER309L
EN EN12072 G 23 12 L
JIS Z3321 Y309L
▶︎ Typical chemical composition of weld metal (wt%)
| C | Cr | Ni | Mn | Si |
| 0.024 | 23.80 | 12.80 | 1.98 | 0.39 |
▶︎ Typical mechanical properties of weld metal
| TS N/mm2 | EL % |
| 590 | 40 |
▶︎ Sizes and Weight per pack.
| Welding Wire Diameter (mm) | 1.6 | 2.0 | 2.4 | 3.2 |
| Welding Wire Weight per Box (kg) | 5 | 5 | 5 | 5 |
