Stainless Steel ER 308LSi Welding Wire

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High-quality stainless steel ER308LSi welding wire is manufactured and supplied by Conra Welding Supplies, a reputable company based in Houston, USA. This wire is perfect for a variety of welding applications because it is specially engineered for superior performance, providing smooth arc characteristics and excellent corrosion resistance. ER308LSi is well-known for having a high silicon content and a low carbon content, which results in improved weld pool fluidity and less spatter. Conra Welding Supplies provides consistent quality and weld integrity to a range of industries, including petrochemical, food processing, and architectural fabrication. Conra is a reliable partner for stainless steel welding solutions, supported by technical know-how and prompt delivery.

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Welding Wire

Stainless Steel ER 308LSi Welding Wire Specification

ClassificationAWS A5.9, ER308/308L/308LSi 
FormMIG spools, TIG cut lengths, Reels and Coils
Type Of WeldingInert Gas Welding
CurrentMIG-DCEP / TIG-DCEN
Diameters.023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8”
Standard TIG straight lengths are available36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
AWS ER308/308L MIG & TIG Filler Metal Application & uses
  • Hardware tools
  • Metallurgy
  • Machinery
  • Construction
  • Shipbuilding
  • Petroleum
  • Chemical plant
  • Power sector
  • Gas Industry

SS 308LSi Welding Wire Chemical Compositions of All Weld Metal

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 0.30-0.65 0.03 0.03 0.75

SS 308LSi Welding Wire Mechanical Properties of All Weld Metal

Yield, kpsi: 59
Tensile Strength, kpsi: 88
Elongation%, min: 39

What is Stainless Steel ER 308LSi Welding Wire?

For better weldability, stainless steel ER308LSi welding wire has a higher silicon content (0.65–1.0%), 9–11% nickel, and roughly 19–21% chromium. It improves corrosion resistance by reducing carbide precipitation due to its extremely low carbon content (<0.03%). Its mechanical properties include a tensile strength of about 570 MPa, a yield strength of about 400 MPa, and an elongation of about 35%. Excellent ductility, toughness, and crack resistance in welded joints are guaranteed by these characteristics. The wire is appropriate for high-quality stainless steel welding under a variety of fabrication conditions because it creates clean, smooth welds with a stunning bead appearance.

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Electrodes and Filler Wire

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Top Manufacturer and Supplier of Stainless Steel ER 308LSi Welding Wire in Houston , USA

Conrad Welding Supplies, based in Houston , USA, is a trusted manufacturer and distributor of Stainless Steel ER 308LSi Welding Wire, renowned for its superior weldability, corrosion resistance, and smooth arc performance. Our premium ER 308LSi welding wire is designed for MIG and TIG applications, ensuring high-quality, durable welds in industries such as construction, automotive, shipbuilding, and heavy machinery. Engineered for welding 304 and 304L stainless steels, its high silicon content enhances bead appearance and flow. Committed to quality, timely delivery, and excellent customer service, we provide top-tier ER 308LSi stainless steel welding wire solutions.

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Types of Stainless Steel ER 308LSi Welding Wire

Stainless Steel ER 308LSi Welding Wire
Stainless Steel ER 308LSi Flux-Cored Welding Wire
Stainless Steel ER 308LSi MIG Welding Wire
Stainless Steel ER 308LSi FCAW Welding Wire
Stainless Steel ER 308LSi TIG Welding Wire
Stainless Steel ER 308LSi Filler Metal Welding Wire

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Stainless Steel ER 308LSi Welding Wire Uses

304 and 304L stainless steels, as well as other comparable grades, are frequently welded using stainless steel ER308LSi welding wire. It is perfect for use in dairy machinery, pharmaceutical equipment, brewery systems, and food and beverage processing due to its exceptional corrosion resistance and smooth welding properties. Better arc stability and fluidity are made possible by the high silicon content, which is advantageous for precision fabrication and thin sheet welding. Additionally, it is used in general fabrication, architectural structures, and automotive exhaust components. ER308LSi supports productivity in the production and repair of stainless steel by guaranteeing high-strength, visually appealing welds with minimal post-weld cleaning requirements.

Industry We Serve

We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.