Home > Electrodes > AWS Class ER316LSi Mig & Tig Filler Welding Wire & Rod
AWS Class ER316LSi filler metals are a type of austenitic stainless steel alloy, specifically crafted to boost both weldability and resistance to corrosion. These alloys typically contain around 18–20% chromium, 11–14% nickel, 2–3% molybdenum, and 0.65–1.0% silicon. The added silicon helps improve the wetting and flow of the weld pool, which leads to a smoother bead finish. With a tensile strength of about 570 MPa, a yield strength of around 400 MPa, and an elongation of 42%, these filler metals demonstrate impressive ductility and toughness.
ER316LSi filler metals are particularly well-suited for welding low-carbon molybdenum-bearing austenitic alloys, especially in situations where high corrosion resistance and the ability to withstand elevated temperatures are crucial. You’ll often find them in industries like chemical processing, shipbuilding, and food processing, where a clean, visually appealing weld bead is a must. They work great for welding base materials such as 304L and 316L stainless steels, as well as high-chromium nickel alloys like Hastelloy®.
| 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.
These filler metals come in various forms, including solid wire, cored wire, and stranded electrodes, making them compatible with both MIG (GMAW) and TIG (GTAW) welding processes. They are typically available in diameters from 0.6 mm to 3.2 mm and can be used with direct current electrode positive (DCEP) for MIG and direct current electrode negative (DCEN) for TIG welding. Thanks to their excellent weldability, smooth bead appearance, and minimal spatter, ER316LSi filler metals are a top choice for high-quality welding projects.
AWS Class ER316LSi is a Stainless Steel Welding Wire designed for welding 316 and 316L stainless steel. Providing excellent corrosion resistance, making it suitable for applications in industries such as food processing, chemical and marine environments with high acid and chemical resistance is essential ER316LSi for excellent weldability and mechanical properties, and making it ideal for welding stainless steel of similar composition approximately where appearance and durability are important.
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