ER2209

UNS S39209
AWS A5.9
Welding Wire or Rod Used to weld duplex stainless steel. The welds offer excellent resistance to stress corrosion, cracking and pitting. The microstructure of the weld metal consists of austenite and ferrite. Welding of duplex stainless steels calls for controlled welding parameters to achieve specified mechanical and corrosion resistant properties.

Chemical composition

Chromium Cr 21.5- 23.5% Nickel Ni 7.5-9.5% Molybdenum Mo 2.5-3.5 Manganese Mn 0.5-2.0% Silicon Si max 0.9% Copper Cu 0.75%
Carbon C max 0.03% Nitrogen N max 0.08-0.2% Iron Fe balance

Mechanical properties

Tensile strength
Rm (MPa)

Yield strength
Rp0.2 (MPa)

Elongation
A %

min. 720 (104 psi)

560 (81 psi)

40


Product forms

Product Diameter, mm Length, mm
Wire for MIG/GMAW welding 0.8, 1.0, 1.2, 1.6, 2.0, 2.4, 2.5, 3.2
Rods for TIG/GTAW welding 2.0, 2.5, 3.2, 4.0, 5.0 915 – 1000
Wire for SAW welding 2.0, 2.4, 3.2, 4.0, 5.0
Electrode core wire 2.0, 2.5, 3.20, 3.25, 4.0, 5.0 250, 300, 350, 400, 450, 500

Applications

Binary Nickel-Iron (Ni-Fe) and Ni based complex welding alloys are supplied in welding rod and wires in standard length or length up to the consumers' request. For normal service conditions, the chemical compositions are available in various Ni contents according to the most of American and European standards.

Our customers can buy ER2209 online according to their requests.

 Datasheet welding consumable. Download(182KB)