
E2209-16 Duplex Stainless Steel Welding Electrode
E2209-16 is a rutile-coated duplex stainless steel welding electrode classified to AWS A5.4 / ASME SFA-5.4 E2209-16. It produces ferritic-austenitic weld metal with high strength and good resistance to pitting, intergranular and stress corrosion. It is primarily used for Duplex 2205, UNS S31803, UNS S32205 and SAF 2205 in oil and gas, offshore, chemical processing, piping and marine applications.
Designed for Duplex 2205
- High pitting corrosion resistance
- Good stress corrosion cracking resistance
- High weld metal strength
- PREN around 35–37
- Service temperature up to 250°C
Base Materials & Applications
- Duplex 2205
- UNS S31803
- UNS S32205
- SAF 2205
- EN 1.4462 / similar 22Cr duplex grades
- Oil and gas equipment
- Offshore structures
- Chemical processing equipment
- Process piping and pressure vessels
- Marine and seawater equipment
- Corrosion-resistant industrial components
International Classifications
Standard / Market | Classification |
|---|---|
AWS / ASME | E2209-16 |
EN ISO 3581-A | E 22 9 3 N L |
JIS Z 3221 | ES2209-16 |
Common Material | 2205 / S31803 / S32205 / 1.4462 |
Technical Data
Typical All-Weld Metal Composition
Element | Typical / Reference Range |
|---|---|
C | ≤ 0.04% |
Si | ≤ 1.00% |
Mn | 0.5–2.0% |
P | ≤ 0.04% |
S | ≤ 0.03% |
Ni | 8.5–10.5% |
Cr | 21.5–24.0% |
Mo | 2.5–4.0% |
N | 0.08–0.30% |
Cu | ≤ 0.75% |
Typical Mechanical Properties
Property | Typical / Reference Range |
|---|---|
Yield Strength | 660–700 MPa |
Tensile Strength | 800–850 MPa |
Elongation | 28–30% |
CVN Impact | 38–72 J |
Welding Parameters
Diameter | Current |
|---|---|
2.0 mm | 25–55 A |
2.6 mm | 50–85 A |
3.2 mm | 70–115 A |
4.0 mm | 95–145 A |
5.0 mm | 135–180 A |


