AWS A5.9 ER2209
▶︎ Characteristics
It is design for welding duplex stainless steel such as 2205.With good resistance to intergranular corrosion, pitting and stress corrosion cracking especially in environments containing H2S and chlorides.
▶︎ Applications:
It is suitable for welding of 22%Cr duplex stainless steel such as LUS31803
▶︎ Notes on Usage:
1. For TIG process, use DC(-) current .
2. 98%Argon – 2% CO2 shielding gas.
▶︎ Classification:
AWS A5.9 ER2209
▶︎ Typical chemical composition of weld metal (wt%)
| C | Mn | Si | Cr | Ni | Mo | N | Cu |
| 0.01 | 1.66 | 0.41 | 22.6 | 8.70 | 3.18 | 0.151 | 0.12 |
▶︎ Typical mechanical properties of weld metal
| TS N/mm2 | EL % |
| 745 | 27 |
▶︎ Sizes and Weight per pack.
| Wire size (mm) | 1.6 | 2.0 | 2.4 | 3.2 |
| Weight per box (kg) | 5 | 5 | 5 | 5 |
