Home > Electrodes > AWS Class ER308LSi Mig & Tig Filler Welding Wire & Rod
Mitchell Stainless, a leading manufacturer and supplier in Hamilton, New Zealand, provides high-quality AWS Class ER308LSi MIG and TIG filler welding wire and rods for welding austenitic stainless steels. This filler material delivers smooth arc performance, excellent bead appearance, and strong corrosion-resistant welds. The ER308LSi variant, enriched with silicon, offers improved fluidity and wetting characteristics, ensuring easier handling and superior weld quality. Designed for industrial fabrication and repair applications, it provides consistent results, high toughness, and reliable long-term performance in chemical, marine, and high-temperature environments.
AWS Class ER308LSi MIG and TIG filler wires and rods are composed primarily of chromium (19–21%) and nickel (9–12%), with small amounts of silicon, manganese, and carbon. The added silicon enhances arc stability, weld pool fluidity, and bead smoothness. This composition provides excellent corrosion resistance, good tensile strength, and high ductility. ER308LSi offers stable arc performance, easy slag removal, and reliable weldability, making it ideal for welding austenitic stainless steels in chemical processing, marine, and high-corrosion environments.
| Classification | AWS A5.9, ER308LSi |
| 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 ER308LSi MIG & TIG Filler Metal Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 19.5-22.0 | 9.0-11.0 | 0.75 | 1.0-2.5 | 0.65-1.00 | 0.03 | 0.03 | 0.75 |
| Tensile Strength (psi) | 86,000 psi (593 MPa) |
|---|---|
| Yield Strength (psi) | 57,000 psi (393 MPa) |
| Elongation (%) | 42% |
Contact us to get a quick quote for your requirement.
Stainless Steel ER308LSi MIG Filler Wire offers enhanced weld fluidity and a smooth finish, ideal for welding 304 and 304L stainless steels in industries requiring high-quality, corrosion-resistant welds.
Stainless Steel ER308LSi TIG Filler Wire provides excellent weldability and corrosion resistance with a silicon-enhanced composition, suitable for high-precision welding of 304 and 304L stainless steels in various applications.
Stainless Steel ER308LSi TIG Filler Rod ensures superior weld appearance and strength with its high silicon content, perfect for welding 304 and 304L stainless steels in industries demanding high-quality, durable joints.
We focus on quality by conducting various in-house tests on all our products. To meet the highest industry standards. To further assure our clients, we arrange third-party inspections for independent verification of product quality and compliance. We understand the importance of timely deliveries and are committed to ensuring that all orders are dispatched promptly. Our efficient delivery system guarantees that our customers receive their products without delay supporting their projects with reliable and high-quality solutions.
AWS Class ER308LSi MIG and TIG filler wires and rods are widely used for welding austenitic stainless steels such as AISI 304 and 304L. Typical applications include chemical processing equipment, food and beverage machinery, piping systems, heat exchangers, and marine structures. They are also suitable for maintenance and repair welding where high corrosion resistance, smooth bead appearance, and structural integrity are required. In New Zealand’s fabrication and industrial sectors, ER308LSi fillers are valued for producing high-quality, durable, and corrosion-resistant welds with excellent arc control, wetting, and overall weld aesthetics.
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