RW 2209 - Nr.1.4462
RW 2209 Stainless Welding Wire: Austenitic-Ferritic Welding Wire for Duplex Stainless Steels
RW 2209 is an austenitic-ferritic stainless welding wire used for welding duplex stainless steels.
Corrosion Resistance Targets high resistance to pitting, intergranular and stress corrosion in chloride and H2S environments.
Weld Metal Produces duplex weld metal with approximately 50 FN according to the WRC-92 diagram.
Application Scope RW 2209 targets corrosion resistance and balanced weld metal in duplex stainless welding operations.
RW 2209 Stainless Welding Wire: References and Comparable Standards
Stainless welding wires references and comparable standards
| Product |
Nominal Composition |
EN ISO 14343-B: 2017 |
AWS A5.9-2017
Alloy Designation |
DIN Werkstoff Nr. |
| RW 2209 |
22 9 3 N L |
SS2209 |
ER2209 |
(1.4462) |
RW 2209 Stainless Welding Wire: Chemical Composition (Cast Analysis) (%)
Stainless welding wires chemical composition values
| Element |
RW 2209 |
| C |
≤ 0,03 % |
| Mn |
0,50-2,00 % |
| Si |
≤ 0,90 % |
| S |
≤ 0,020 % |
| P |
≤ 0,030 % |
| Cr |
21,5-23,5 % |
| Ni |
7,5-9,5 % |
| Mo |
2,50-3,50 % |
| Cu |
≤ 0,30 % |
| N |
0,10-0,20 % |
| Nb |
- |
| Ti |
- |
Published:
01 January 2025
|
Last Updated:
08 June 2026