Home > Electrodes > AWS Class ER309LSi Mig & Tig Filler Welding Wire & Rod
Nakamura Stainless in Pulau Ujong, Singapore, provides AWS Class ER309LSi MIG and TIG Filler Wires and Rods, designed for welding different types of steels and overlay applications. With more silicon, these materials improve wetting, leading to smooth beads and excellent arc stability. The low carbon content increases resistance to intergranular corrosion. ER309LSi wires are reliable for joining stainless steels to carbon or low-alloy steels, creating strong and corrosion-resistant welds. Produced under strict quality standards, Nakamura Stainless ensures top-notch welding solutions for industries needing strong and attractive stainless steel welds.
AWS Class ER309LSi contains 22–24% chromium, 12–14% nickel, and 0.8–1.2% silicon, with low carbon at ≤0.03%. The added silicon improves arc stability, bead smoothness, and wetting, making these wires perfect for automated and robotic welding. Weld deposits achieve tensile strength around 600 MPa and elongation of 30–35%. They offer excellent corrosion resistance and toughness, especially for cladding and welding different metals. Their consistent arc performance and strong properties ensure reliable, smooth welds for joining stainless and carbon steels in demanding conditions.
| Classification | AWS A5.9, ER309LSi |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER309LSi MIG & TIG Filler Metal Application & uses |
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| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.12 | 24.0-26.0 | 13.0-15.0 | 0.75 | 1.0-2.5 | 0.65-1.00 | 0.03 | 0.03 | 0.75 |
| Yield, kpsi: | 564 |
| Tensile Strength, kpsi: | 87 |
| Elongation%, min: | 41 |
Contact us to get a quick quote for your requirement.
Stainless Steel ER309LSi MIG Filler Wire offers high-quality, silicon-enhanced welds for dissimilar metals, providing excellent corrosion resistance and bead appearance in applications like power generation and industrial fabrication.
Stainless Steel ER309LSi TIG Filler Wire delivers superior weld quality and corrosion resistance for dissimilar metal joints, ideal for high-temperature and critical applications in industries such as petrochemical and structural fabrication.
Stainless Steel ER309LSi TIG Filler Rod ensures strong, corrosion-resistant welds with enhanced fluidity for dissimilar metals, suitable for high-stress applications in power generation, chemical processing, and industrial sectors.
After the production of our AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod, our quality control team conducts thorough destructive and non-destructive testing using advanced equipment to ensure the superior performance and reliability of the product. Once the testing is complete we carefully package the filler wire and rod using appropriate materials to maintain their quality during shipping. We assure smooth and timely delivery to our customers. Guaranteeing on-time arrival without any delays. All necessary documentation, including certificates and test reports, are provided to the clients upon delivery.
AWS Class ER309LSi MIG and TIG wires and rods are often used for welding stainless steels to carbon or low-alloy steels. They are also used in cladding carbon steel tanks, piping, and equipment to boost corrosion resistance. Their superior bead appearance makes them suitable for tasks needing both strength and weld visuals, like in food, chemical, and architecture industries. These materials are also utilized in shipbuilding and petrochemical sectors, where durability and corrosion resistance are crucial. ER309LSi ensures lasting weld integrity in important fabrication projects.
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