Bare corrosion resisting Duplex welding rods for welding of austenitic-ferritic stainless alloys of 22% Cr 5% Ni 3% Mo types. OK Tigrod 2209 has a high general corrosion resistance. In media containing chloride and hydrogen sulphide the alloy has a high resistance to intergranular, pitting and especially to stress corrosion. The alloy is used in a variety of applications across all industrial segments.
Specifications:
| Classifications | EN ISO 14343-A : W 22 9 3 N L SFA/AWS A5.9 : ER2209 |
| Approvals | CE : EN 13479 DB : 43.039.19 DNV-GL : Duplex Steels NAKS/HAKC : 1.6-3.2 mm VdTÃœV : 13010 |
| Alloy Type | Austenitic-ferritic (22.5 % Cr – 8 % Ni – 3 % Mo – Low C) |
| Typical Tensile Properties | ||||
|---|---|---|---|---|
| Condition | Conditional Statement | Yield Strength | Tensile Strength | Elongation |
| SHT | 1050°C 0.5h | 450 MPa | 730 MPa | 34 % |
| As Welded | 600 MPa | 765 MPa | 28 % | |
| Typical Wire Composition % | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | Si | Ni | Cr | Mo | N | PRE | FN WRC-92 |
| 0.01 | 1.5 | 0.5 | 8.5 | 22.7 | 3.2 | 0.17 | 35 | 55 |
