Home > Electrodes > AWS Class ER316LSi Mig & Tig Filler Welding Wire & Rod
Harshita Stainless offers AWS Class ER316LSi MIG and TIG filler wire and rod with excellent welding performance. Designed for welding 316-grade stainless steel, ER316LSi features a silicon-enhanced composition that improves fluidity, wetting, and weld appearance. With precise production in Delhi and certified quality assurance, these wires and rods provide consistent feed, stable arcs, and excellent bead control. Ideal for both MIG and TIG processes, this filler material meets the needs of industries that require strong corrosion resistance, such as pharmaceuticals, food processing, and marine equipment fabrication.
AWS Class ER316LSi filler wire consists of 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, along with 0.15–0.75% silicon. Its tensile strength typically ranges from 520–650 MPa, yield strength from 220–300 MPa, and elongation is between 40–45%. The added silicon ensures a smooth bead and fewer welding defects. This alloy provides excellent ductility and maintains Charpy impact toughness values greater than 60 J at room temperature. Its composition gives superior resistance to pitting, crevice corrosion, and chloride attack compared to standard ER308L wire, making it a strong choice for harsh environments.
| Classification | AWS A5.9, ER316LSi |
| 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 ER316LSi MIG & TIG Filler Metal Application & uses |
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| C | Cr | Ni | Mo | Mn | Si | P | S |
| 0.03 | 18.0-20.0 | 11.0-14.0 | 2.0-3.0 | 1.0-2.5 | 0.65-1.0 | 0.03 | 0.03 |
| Yield, kpsi: | 64 |
| Tensile Strength, kpsi: | 90 |
| Elongation%, min: | 37 |
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Stainless Steel ER316LSi MIG Filler Wire is designed for MIG welding applications with excellent corrosion resistance, especially in environments with chlorides and chemicals. It typically comes in sizes ranging from 0.030 inches (0.8 mm) to 0.045 inches (1.2 mm) in diameter. The wire provides good weld bead appearance and reduces spatter.
Stainless Steel ER316LSi TIG Filler Wire is suitable for TIG welding and offers enhanced corrosion resistance, particularly in harsh environments. It is available in sizes from 1/16 inch (1.6 mm) to 3/32 inch (2.4 mm) in diameter. The wire ensures high-quality, clean welds with minimal oxidation.
Stainless Steel ER316LSi TIG Filler Rod is used for TIG welding stainless steel, providing superior resistance to pitting and crevice corrosion. Commonly available in lengths of 36 inches (914 mm) and diameters from 1/16 inch (1.6 mm) to 3/32 inch (2.4 mm). It delivers excellent weld strength and smooth, clean welds.
Each AWS Class ER316LSi MIG and TIG Filler Welding Wire and Rod is carefully packed using high-quality materials to prevent any damage or contamination during transit. We prioritize timely deliveries also guaranteeing quick and efficient transportation to meet our clients needs. Additionally all relevant documentation regarding the product is provided at the time of delivery assuring full transparency and satisfaction for our valued customers.
ER316LSi is commonly used in welding 316L stainless steel components such as industrial process equipment, heat exchangers, chemical tanks, and marine-grade fabrications. Its excellent corrosion resistance makes it suitable for offshore structures, desalination plants, and pharmaceutical manufacturing systems. It is also used in food processing and dairy equipment, where sanitary and corrosion-resistant properties are vital. Thanks to its great flow characteristics, ER316LSi produces aesthetically pleasing weld beads in architectural and decorative stainless steel applications, such as sinks, handrails, and household appliances. Its reliable performance supports both pressure-retaining and aesthetic uses.
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