AWS Class ER312 MIG and TIG Filler Welding Wire and Rod

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AWS Class ER312 MIG and TIG filler wire and rod is a top-notch austenitic stainless steel welding consumable, perfect for joining cast or wrought alloys that share a similar makeup, as well as for tackling dissimilar metal joints that need to be strong and resistant to cracking.

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The typical composition of the weld metal features carbon up to 0.15%, chromium at 28–32%, nickel ranging from 8–10.5%, molybdenum up to 0.75%, manganese between 1–2.5%, and silicon from 0.3–0.65%. When it comes to mechanical properties, you can expect a tensile strength of around 725 MPa and an elongation of about 25–40%, which means you’ll get durable, crack-resistant welds.

AWS Class ER312 MIG and TIG Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER312
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 ER312 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER312 MIG and TIG Filler Welding Wire and Rod Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.15	28.0-30.0	20.0-22.0	0.75	1.0-2.5	0.30-0.65	0.03	0.03	0.75

AWS Class ER312 MIG and TIG Filler Welding Wire and Rod Mechanical Properties

Yield, kpsi:	78
Tensile Strength, kpsi:	109
Elongation%, min:	45

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

Why Choose AWS Class ER312 MIG and TIG Filler Welding Wire and Rod from Akor Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER312 MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER312 MIG Filler Wire

ER312 MIG filler wire excels in welding dissimilar metals and high-strength steels, offering robust strength and corrosion resistance, ideal for heavy machinery, construction, and shipbuilding applications.

Stainless Steel ER312 TIG Filler Wire

ER312 TIG filler wire provides high strength and wear resistance for welding dissimilar metals. It ensures strong, durable welds with excellent corrosion resistance, suitable for aerospace and industrial repairs.

Stainless Steel ER312 TIG Filler Rod

ER312 TIG filler rod is designed for high-strength welds on dissimilar metals, offering superior durability and corrosion resistance. Ideal for demanding applications in heavy machinery and construction.

After manufacturing, our quality control team conducts comprehensive destructive and non-destructive testing using advanced tools to ensure the reliability of AWS Class ER312 MIG and TIG Filler Welding Wire and Rod. Then securely we package the products and guarantee timely delivery to customers, providing all necessary documentation along with the shipment for a seamless experience.

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AWS Class ER312 MIG and TIG Filler Welding Wires and Rods Uses

ER312 filler wire and rod are ideal for welding heat-resistant alloys, joining dissimilar metals (like carbon steel to stainless steel), cladding or overlay operations, and for industrial components that face high temperatures, abrasion, or stress—where strength and reliability are absolutely essential.