Home > Electrodes > AWS Class ER309/309L SAW and FLUX
Vinit Stainless, based in Chennai, India, stands out as a top manufacturer and supplier of AWS Class ER309/309L SAW (Submerged Arc Welding) Wires and Flux. We provide high-performance welding consumables tailored for critical fabrication needs. Our products are designed to offer exceptional corrosion and heat resistance, making them perfect for joining dissimilar metals and cladding applications. With features like excellent arc stability, easy slag removal, and a smooth weld bead finish, Vinit Stainless guarantees reliable and consistent welding performance. Our ER309/309L SAW wires and flux comply with strict international standards and are widely utilized in the chemical, power, petrochemical, and structural sectors.
AWS Class ER309/309L SAW wires are composed of chromium (22–24%), nickel (12–14%), and low carbon content (<0.03% in 309L) to avoid carbide precipitation and intergranular corrosion. The flux is specifically designed to work seamlessly with the wire, improving weld quality and making slag removal easier. The weld metal typically boasts a tensile strength of 550–650 MPa, a yield strength around 400 MPa, and an elongation exceeding 30%. These welding consumables provide excellent creep resistance, oxidation protection at high temperatures, and outstanding metallurgical integrity, making them perfect for high-temperature and corrosive environments.
| Classification | AWS A5.9, ER309/309L |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS ER309/309L SAW & Flux Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 23.0-25.0 | 12.0-14.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Tensile Strength, kpsi: | 86* |
| Yield Strength, kpsi: | 58* |
| Elongation %: | 40* |
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Alloy ER309/309L SAW and Flux are used for submerged arc welding of dissimilar metals and stainless steel, providing strong, corrosion-resistant welds with a clean, slag-free finish for various applications.
AWS A5.9 ER309/309L SAW and Flux Welding Wire is designed for submerged arc welding of dissimilar metals and stainless steel, offering strong welds, high corrosion resistance, and a clean, efficient finish.
AWS Class ER309/309L Submerged Arc Welding Flux ensures high-quality welds with excellent arc stability, minimal spatter, and a clean, slag-free finish, ideal for welding dissimilar metals and stainless steel.
We conduct rigorous in-house testing on our AWS Class ER309/309L SAW wire and flux to ensure optimal quality and performance. Our products undergo thorough inspections to meet industry standards, guaranteeing reliability and durability. With a focus on efficiency. We assure prompt delivery. To meet the needs of our clients without compromising on product excellence.
AWS Class ER309/309L SAW and Flux are widely used for welding dissimilar metals, especially when joining stainless steel to carbon or low-alloy steels. They are particularly effective for creating buffer layers before applying more corrosion-resistant alloys and for weld overlay and cladding on equipment exposed to harsh conditions. Common applications include the fabrication of chemical processing units, refinery components, boilers, heat exchangers, pressure vessels, and structural assemblies in marine and offshore industries. Their impressive resistance to thermal cycling, oxidation, and corrosion makes them ideal for high-temperature applications.
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