AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod

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Kyaw Stainless, the top stainless steel consumables producer in Naypyidaw, Myanmar, provides high-quality AWS Class ER320LR MIG and TIG Filler Welding Wires and Rods. Used for welding high-alloy austenitic stainless steels, ER320LR offers great resistance to a broad variety of corrosive media. Kyaw Stainless achieves superior quality through rigorous process control, which results in fillers with high toughness, strength, and outstanding corrosion resistance even under severe chemical environments. The low-carbon, low-silicon wires and rods are the best choice for severe applications in chemical, pharmaceutical, and petrochemical facilities that need outstanding corrosion and intergranular attack resistance.

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ER320LR filler wires are usually composed of chromium (19–21%), nickel (33–37%), molybdenum (2–3%), copper (2–3%), and controlled carbon (<0.03%). Weld metal has good corrosion resistance in sulfuric and phosphoric acids and chloride-induced corrosion. Standard tensile strength is around 650 MPa, yield strength approximately 450 MPa, and elongation 30–35%. Low-carbon, limited composition reduces carbide precipitation and enhances corrosion resistance in reducing and oxidizing conditions. ER320LR has superior ductility and toughness, yielding reliable performance under extreme chemical and thermal stress.

AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER320LR
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 ER320LR MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod Chemical Composition

8XC min/0.40 max

0.025

19.0-21.0

32.0-36.0

2.0-3.0

1.5-2.0

0.15

0.015

0.02

3.0-4.0

0.75

AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod Mechanical Properties

Tensile Strength, ksi:	86*
Yield Strength, ksi:	58*
Elongation %:	35*

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

Why Choose AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod from Kyaw Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER320LR MIG Filler Wire

Designed for high corrosion resistance, particularly in chloride-containing environments. The ER320LR alloy ensures stability in both high and low temperatures, making it ideal for demanding applications.

Stainless Steel ER320LR TIG Filler Wire

Excellent corrosion resistance, especially in aggressive chemical environments. The low carbon content of ER320LR minimizes carbide precipitation, ensuring enhanced durability and performance. It is suitable for welding similar alloys and dissimilar metals.

Stainless Steel ER320LR TIG Filler Rod

Superior corrosion resistance, particularly against intergranular and stress corrosion cracking. The ER320LR alloy composition makes them ideal for use in high-stress and high-temperature applications.

AWS Class ER320LR MIG and TIG filler wire and rod are extensively applied in chemical processing, power generation, marine, and aerospace industries. They are well suited for welding stainless steel parts in highly corrosive environments, such as heat exchangers, pressure vessels, and piping systems exposed to aggressive acids and chlorides. Their excellent resistance to oxidation, stress corrosion cracking, and high-temperature degradation provides long-term weld performance. These fillers offer superior weldability, making them suitable for severe applications demanding strength and high mechanical strength.

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AWS Class ER320LR MIG and TIG Filler Welding Wires and Rods Uses

AWS Class ER320LR TIG and MIG filler rods and wires are applied for welding alloys 20Cb-3, 20Mo-6, and other corrosion-resistant stainless alloys. They suit equipment handling sulfuric acid, nitric acid, and phosphoric acid environments. Applications are in pumps, valves, piping systems, and heat exchangers for chemical and pharmaceutical applications. The low-carbon composition reduces intergranular corrosion upon welding, which provides longevity and reliability. These fillers can also be applied to overlaying and cladding applications where superior corrosion resistance and toughness are needed under harsh service conditions.