AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod

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Aditya Stainless, a well-respected manufacturer and supplier located in Kolkata, India, specializes in high-quality AWS Class ER309LSi MIG and TIG Welding Wire and Rods. These products are crafted for exceptional performance in welding dissimilar metals and stainless steel overlays. With a focus on low carbon and enhanced silicon content, these filler metals ensure better arc stability, improved wetting action, and a pleasing bead appearance. ER309LSi is perfect for connecting stainless steel to carbon or low-alloy steels and for cladding applications. With rigorous quality control, prompt delivery, and compliance with global standards, Aditya Stainless has earned its reputation as a reliable supplier of top-notch welding consumables across various industries.

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AWS Class ER309LSi Filler Wire and Rod is composed of about 23–25% chromium, 12–14% nickel, and a low carbon content (≤0.03%) to minimize the chances of intergranular corrosion. The inclusion of silicon (0.65–1.0%) enhances the fluidity of the weld pool and improves the surface finish. This austenitic filler metal boasts a tensile strength of around 550–650 MPa and an elongation of about 30%. It’s suitable for both MIG (GMAW) and TIG (GTAW) welding processes, providing smooth arc characteristics, minimal spatter, and outstanding corrosion resistance, especially when working with dissimilar metals or applying corrosion-resistant overlays in challenging environments.

AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER309LSi
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 ER309LSi MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.12	24.0-26.0	13.0-15.0	0.75	1.0-2.5	0.65-1.00	0.03	0.03	0.75

AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod Mechanical Properties

Yield, kpsi:	564
Tensile Strength, kpsi:	87
Elongation%, min:	41

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Why Choose AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod from Aditya Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER309LSi MIG Filler Wire

Stainless Steel ER309LSi MIG Filler Wire offers high-quality, silicon-enhanced welds for dissimilar metals, providing excellent corrosion resistance and bead appearance in applications like power generation and industrial fabrication.

Stainless Steel ER309LSi TIG Filler Wire

Stainless Steel ER309LSi TIG Filler Wire delivers superior weld quality and corrosion resistance for dissimilar metal joints, ideal for high-temperature and critical applications in industries such as petrochemical and structural fabrication.

Stainless Steel ER309LSi TIG Filler Rod

Stainless Steel ER309LSi TIG Filler Rod ensures strong, corrosion-resistant welds with enhanced fluidity for dissimilar metals, suitable for high-stress applications in power generation, chemical processing, and industrial sectors.

After the production of our AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod, our quality control team conducts thorough destructive and non-destructive testing using advanced equipment to ensure the superior performance and reliability of the product. Once the testing is complete we carefully package the filler wire and rod using appropriate materials to maintain their quality during shipping. We assure smooth and timely delivery to our customers. Guaranteeing on-time arrival without any delays. All necessary documentation, including certificates and test reports, are provided to the clients upon delivery.

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AWS Class ER309LSi MIG and TIG Filler Welding Wires and Rods Uses

AWS Class ER309LSi MIG and TIG Filler Wire and Rods are commonly utilized for welding dissimilar metals, like connecting stainless steel to carbon or low-alloy steels, as well as for creating corrosion-resistant overlays or buffer layers. Typical applications include chemical processing equipment, pressure vessels, structural components, refinery piping, and systems in nuclear or power plants. The low carbon content helps prevent carbide precipitation, while the silicon enhances bead quality, particularly in automated and robotic welding. ER309LSi is ideal for fabrication, ensuring reliable and high-quality results.