Home > Electrodes > AWS Class ER308LSi Mig & Tig Filler Welding Wire & Rod
ER308LSi falls under the AWS A5.9 / ASME SFA 5.9 (UNS S30888) classification. ([Weldtool Technologies][1]) This filler metal is an austenitic stainless steel that shares a similar base composition with ER308L, but it has a higher silicon content (“‑Si”) ranging from 0.65% to 1.00%. This enhancement improves the fluidity of the weld pool, the wetting characteristics, and the overall appearance of the bead. ([tecmig.com][2]) The key alloying elements include: Carbon (C) up to about 0.03%, Chromium (Cr) around 19.5% to 22.0%, Nickel (Ni) between 9.0% and 11.0%, Manganese (Mn) from 1.0% to 2.5%, Silicon (Si) from 0.65% to 1.00%, Molybdenum (Mo) at or below 0.75%, and both Phosphorus (P) and Sulfur (S) at or below 0.03%. ([Hindustan Inox][3])
The AWS Class ER308LSi welding wire and rod is designed for welding austenitic stainless steel, primarily 304 and 304L. They contain about 19-21% chromium, 9-11% nickel, and silicon content up to 0.65%, which increases weld pool fluidity and improves bead appearance Low carbon helps prevent carbide precipitation, and provides corrosion resistance is high. These wires provide excellent weldability and mechanical properties. Making them suitable for applications in the chemical, petrochemical, food and beverage industries where high quality aesthetically pleasing welds are required.
| 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% |
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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 Welding Wires and Rods are used for welding stainless steels such as 304 and 304L. For excellent corrosion resistance and weld form the high silicon content improves fluidity, resulting in smooth, clean welds with few defects and it comes. These wires are useful for applications in industries such as chemical processing, food and beverage manufacturing and pharmaceuticals. Where strong, corrosion-resistant joints are important for providing improved weldability and an aesthetic finish suitable for structural and cosmetic applications, ensuring durable and reliable performance.
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