AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod

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The AWS Class ER320LR MIG and TIG filler welding wire and rod is a specialized consumable made from austenitic stainless steel, crafted for joining alloys of similar composition that demand exceptionally low carbon content and a stabilized chemical makeup. The “LR” in its name stands for “Low Residuals,” which means it has fewer impurities, resulting in cleaner weld metal and better corrosion resistance. ER320LR is known for its outstanding resistance to stress-corrosion cracking, intergranular corrosion, and oxidation, making it ideal for tough environments. Its well-balanced alloying elements—like chromium, nickel, molybdenum, and stabilized additions—ensure reliable mechanical strength and toughness. This filler metal provides smooth arc characteristics and a clean bead appearance in both MIG and TIG welding processes.

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 Ranya 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

This welding wire is available in sizes ranging from 0.8mm to 1.6mm in diameter. It is 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

Available in sizes from 1.0mm to 2.4mm in diameter, this TIG filler wire offers 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

These rods come in diameters ranging from 1.6mm to 4.8mm, providing versatility for various welding needs. They offer 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.

we conduct rigorous internal tests on our AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod to ensure their superior performance and reliability. These tests include checks for weld strength, corrosion resistance and overall durability to meet stringent industry standards. We also offer third-party inspection services to provide additional assurance. Our focus on prompt delivery. Assure that our customers receive high-quality products on time, meeting their specific project requirements without delays.

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

ER320LR is frequently used for welding stainless steels of similar grades found in industries such as chemical processing, petrochemical, pharmaceutical, and food production. It’s particularly effective in situations where there’s a risk of exposure to strong acids, chlorides, or oxidizing environments. You’ll often find this filler metal in the fabrication of pressure vessels, tanks, piping systems, heat-treatment equipment, and components that need to withstand high levels of corrosion and thermal stress. Its low-residual formulation helps reduce weld contamination and ensures long-lasting stability, making it a go-to choice for critical applications that require both structural integrity and excellent corrosion performance.