AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod

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MERIH STAINLESS, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium stainless steel welding consumables. Their lineup includes the AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod. With a strong commitment to innovation, precision, and adherence to global standards, MERIH STAINLESS guarantees products that excel in welding performance, reliability, and durability. The ER309LSi filler wire and rod are specifically designed to cater to a variety of welding needs, boasting exceptional weldability, impressive strength, and excellent corrosion resistance. Supported by cutting-edge technology and rigorous quality control, MERIH STAINLESS provides industries around the globe with reliable welding solutions tailored for demanding applications.

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The AWS Class ER309LSi MIG and TIG Filler Welding Wire and Rod feature a composition that includes chromium (23–25%), nickel (12–14%), low carbon, and a higher silicon content to enhance the appearance of the weld bead and improve wetting. This wire is known for its outstanding corrosion resistance, particularly against oxidation and scaling at high temperatures. Its mechanical properties include a tensile strength of about 550 MPa, a yield strength of around 350 MPa, and an elongation of 35%. The low carbon content helps reduce carbide precipitation, while the addition of silicon boosts fluidity, resulting in smooth welds with minimal spatter and superior mechanical strength.

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 Merih 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 Welding Wire and Rod are primarily used for welding dissimilar metals such as stainless steels to carbon or low alloy steels, as well as for overlay applications on carbon steel to provide a corrosion-resistant surface. They are widely applied in industries such as chemical processing, petrochemical, power generation, food processing, and furnace equipment manufacturing. With superior corrosion resistance and excellent weldability, ER309LSi is also suitable for joining clad steels, repairing stainless steel equipment, and handling high-temperature service applications where oxidation resistance and strength are critical.