AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod

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Ed Stainless manufactures and supplies AWS Class ER309/309L MIG and TIG filler welding wire and rod from its advanced facility in Houston, USA. This high-quality filler metal is designed for welding different metals and stainless steels, providing dependable performance for many industrial uses. With low carbon content in the 309L variant, it minimizes carbide precipitation and resists intergranular corrosion. Known for its great weldability, smooth arc characteristics, and resistance to oxidation, ER309/309L is perfect for construction, shipbuilding, chemical processing, and repair welding. Ed Stainless guarantees quality, precision, and on-time delivery every time.

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ER309/309L filler metal contains 23–25% chromium, 12–14% nickel, and ≤0.03% carbon for the 309L variant. The high levels of chromium and nickel provide strong resistance to corrosion and oxidation, especially when joining dissimilar metals like stainless steel and carbon steel. The low carbon in the 309L variant lowers the risk of intergranular corrosion in the weld area. Typical mechanical properties include a tensile strength of ≥80 ksi, yield strength of ≥60 ksi, and elongation of 30% or more. These properties support strong, ductile welds suitable for both MIG and TIG processes across different temperature ranges.

AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER309/309L
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 ER309/309L MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.03	23.0-25.0	12.0-14.0	0.75	1.0-2.5	0.30-0.65	0.03	0.03	0.75

AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod Mechanical Properties

Tensile Strength, kpsi:	86*
Yield Strength, kpsi:	58*
Elongation %:	40*

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

Why Choose AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod from Ed Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER309/309L MIG Filler Wire

Stainless Steel ER309/309L MIG Filler Wire provides strong, corrosion-resistant welds for dissimilar metals, ideal for welding stainless steel to carbon steel in industries requiring high-quality, durable joints.

Stainless Steel ER309/309L TIG Filler Wire

Stainless Steel ER309/309L TIG Filler Wire is designed for welding dissimilar metals, offering excellent strength and corrosion resistance, suitable for high-temperature applications and critical joints in power generation and industrial sectors.

Stainless Steel ER309/309L TIG Filler Rod

Stainless Steel ER309/309L TIG Filler Rod ensures high-strength, corrosion-resistant welds for dissimilar metal joints, ideal for applications in petrochemical, power generation, and industrial fabrication requiring reliable and durable performance.

Each AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod is carefully packed using high-quality materials to prevent any damage or defects during shipping. We focus clients satisfaction by assuring timely delivery through efficient transportation. All relevant documents pertaining to the product are provided to clients at the time of delivery guaranteeing a smooth transaction.

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AWS Class ER309/309L MIG and TIG Filler Welding Wires and Rods Uses

AWS Class ER309/309L filler wire and rod are commonly used for welding stainless steel to carbon or low-alloy steel. They are ideal for transition joints, buffer layers, and overlays. Typical applications include pressure vessels, heat exchangers, boiler components, furnace equipment, and structural welds in construction and shipbuilding. The 309L version is favored in situations that require better corrosion resistance and minimal sensitization, such as in chemical and food processing plants. Its reliable performance in both MIG and TIG operations makes it popular among welders working with mixed-metal assemblies. Ed Stainless ensures consistent quality and availability for all your welding needs.