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Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of premium welding consumables, including advanced SAW (Submerged Arc Welding) systems. Among their specialized products is the AWS Class ER347 SAW wire and compatible flux, engineered to deliver high‑quality, corrosion‑resistant welds in demanding industrial applications. This SAW combination provides smooth arc characteristics, deep penetration, and clean, fully austenitic weld deposits with minimal porosity. Walid Stainless adheres to strict quality control and international standards, serving industries such as chemical processing, petrochemical, power generation, and heavy fabrication where reliable performance and corrosion resistance are essential.
AWS Class ER347 SAW wire is a stabilized austenitic stainless steel consumable composed primarily of iron, chromium (18–20%), nickel (9–11%), and niobium (columbium), which stabilizes against chromium carbide precipitation. When paired with suitable neutral or basic SAW fluxes, it produces weld metal with tensile strength typically around 75 ksi (515 MPa) and good elongation, providing excellent toughness and ductility. The niobium stabilization significantly improves resistance to intergranular corrosion, especially after exposure to elevated temperatures. The proper flux selection supports smooth weld bead profiles, reduced impurity pickup, and consistent mechanical properties over long weld seams.
| 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.
We uphold stringent quality standards for our AWS Class ER347 SAW and FLUX, subjecting them to rigorous testing. Our extensive tests encompass the Hardness Test, Chemical Analysis via Spector Analysis, PMI Testing, Flattening Test, Micro and Macro Tests, Pitting Resistance Test, Flaring Test, and Intergranular Corrosion (IGC) Test. Commercial invoice, packaging list, Certificate of Origin, and Guarantee Letter accompany our products. For added assurance, we offer third-party inspection certificates, validating the excellence and suitability of our AWS Class ER347 SAW and FLUX across various applications and ensuring client satisfaction.
AWS Class ER347 SAW wire and flux systems are widely used for welding stabilized stainless steels such as AISI 347 and similar alloys in large‑scale fabrication and production environments. Typical applications include pressure vessels, heat exchangers, piping systems, boiler components, and structural parts exposed to high temperatures and corrosive environments. Their high corrosion resistance, thermal stability, and dependable weld quality make them ideal for fabrication, maintenance, and repair projects in demanding industrial settings worldwide.
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