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

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Chanchai Stainless manufactures AWS Class ER309/309L MIG and TIG filler wires and rods, made for joining dissimilar metals and overlaying carbon steel. The addition of chromium and nickel provides great strength and resistance to oxidation. ER309L is the low-carbon version that reduces carbide precipitation during welding, offering better corrosion resistance. These filler materials are ideal for welding carbon steel to stainless steel in high-temperature or corrosive settings.

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ER309/309L wires contain about 23–25% chromium, 12–14% nickel, and low carbon (less than 0.03% in 309L). This composition ensures excellent resistance to oxidation and scaling, providing tensile strengths between 600–640 MPa. The weld deposits are ductile and strong, maintaining their properties under thermal and mechanical stress.

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 Chanchai 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

ER309/309L is widely used for cladding carbon steel, welding stainless to mild steel, and making equipment in the chemical, power generation, and pulp & paper industries. It’s also suitable for heat exchanger fabrication, refinery piping, and structural applications that require strong corrosion and heat resistance.