AWS Class ER312 MIG and TIG Filler Welding Wire and Rod

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Monib Stainless has built a solid reputation as a manufacturer and supplier that focuses on high-performance AWS Class ER312 MIG and TIG Filler Welding Wires and Rods. With a strong commitment to quality, reliability, and technical excellence, the company provides welding consumables that adhere to strict international standards. Their ER312 filler wires and rods are designed for exceptional strength, corrosion resistance, and versatility, making them perfect for demanding welding tasks across various industries. Monib Stainless guarantees consistent product performance through meticulous manufacturing and thorough testing, catering to the needs of fabricators, engineers, and industrial clients who require reliable welding solutions in challenging environments.

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AWS Class ER312 MIG and TIG filler welding wire and rod are intended to weld disproportionate steel and high strength steel. They provide exceptional strength and toughness as well as excellent crack and corrosion resistance. The specific composition of ER312 contains 28-30% chromium and 20-22% nickel. Which improve corrosion resistance and improves weld properties. The alloys high chromium-nickel content allows it to handle high-stress applications and maintain durability in critical conditions. ER312 is commonly used in applications such as construction, shipbuilding and heavy machinery, where a strong and flexible weld is required in addition to imperfect surfaces or complex components.

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 Monib 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.

AWS Class ER312 filler welding wire and rod feature a high-alloy composition, boasting elevated levels of chromium (around 29–32%) and nickel (8–10%), along with carefully controlled amounts of carbon, manganese, silicon, and trace elements. This unique chemistry delivers outstanding crack resistance and strength, particularly when welding dissimilar steels. ER312 is known for its high tensile strength, excellent toughness, and impressive resistance to oxidation and corrosion at elevated temperatures. Its microstructure ensures minimal distortion and dependable weld integrity, even in highly stressed or heat-affected zones, making it an excellent choice for challenging materials.

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

AWS Class ER312 MIG and TIG filler welding wires and rods are commonly used for welding dissimilar metals, especially when joining stainless steel to carbon steel or alloy steels. They shine in repair and maintenance tasks, such as rebuilding worn components, connecting high-hardness steels, and working with crack-sensitive materials. Industries like petrochemical, fabrication, power generation, and heavy machinery depend on ER312 for its remarkable strength and crack resistance. Additionally, it finds applications in high-temperature equipment, pressure vessels, and forging processes, proving its versatility and reliability in various demanding environments.