Home > Electrodes > AWS Class ER347 SAW and FLUX
This welding consumable is specifically crafted for Submerged Arc Welding (SAW) of austenitic chromium-nickel stainless steels, particularly those in the ~18% Cr / ~8–11% Ni range. It’s stabilized with niobium (Nb) to enhance resistance against intergranular corrosion. The AWS classification for this wire is “ER347,” as per AWS A5.9 / ASME SFA A5.9.
* Ideal for welding stabilized austenitic stainless steels (grade 347 and its equivalents) in scenarios where intergranular corrosion resistance is crucial—such as in high-temperature applications or where sensitization due to chromium carbide formation is a concern.
| Classification | AWS A5.9, ER347 |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS ER347 SAW & Flux Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu | Element | Amount |
| 0.08 | 19.0-21.5 | 9.0-11.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 | Nb | 10XC min/1.0 max |
| Tensile Strength, kpsi: | 57* |
| Yield Strength, kpsi: | 86* |
| Elongation %: | 35* |
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Alloy ER347 SAW and Flux are used for submerged arc welding of stainless steel, offering high resistance to intergranular corrosion, excellent strength, and a clean, slag-free weld for high-temperature applications.
AWS A5.9 ER347 SAW and Flux Welding Wire is designed for submerged arc welding of stainless steel, providing strong, durable welds with high resistance to intergranular corrosion and a clean, efficient finish.
AWS Class ER347 Submerged Arc Welding Flux provides excellent arc stability and a clean, slag-free weld. It enhances corrosion resistance and weld quality for high-temperature and stainless steel applications.
* This wire is generally paired with compatible SAW fluxes, like “Maxflux SS‑4” or other recommended options, to ensure the weld deposit achieves the desired chemistry and performance.
* When using ER347 wire and flux for SAW, it’s essential to select the right matching flux to ensure the weld deposit meets the necessary chemical composition and mechanical properties.







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