AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod

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Khaled Stainless, located in Cairo, Egypt, stands out as a dependable supplier of AWS Class ER320LR MIG and TIG filler welding wires and rods, specifically designed for tough acid-corrosion applications. The ER320LR is a low-carbon, low-residual super-austenitic welding consumable that perfectly complements 320/Alloy 20 type materials. At Khaled Stainless, they maintain rigorous standards for chemical composition, wire diameter consistency, and surface finish, ensuring reliable arc performance and flawless welds. With complete material traceability and certification, ER320LR filler metals from Khaled Stainless are highly regarded by fertilizer plants, chemical processors, and OEM fabricators throughout Egypt and beyond.

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ER320LR is a fully austenitic, copper-bearing stainless filler metal, typically composed of 19–21% chromium, 33–35% nickel, 2–3% molybdenum, 3–4% copper, and a very low carbon content. This low-residual formulation enhances resistance to hot cracking and boosts corrosion reliability. The mechanical properties of the deposited weld metal typically showcase a tensile strength ranging from 520–690 MPa, a yield strength of about 210–350 MPa, and an elongation of roughly 35–45%. It boasts excellent ductility, toughness, and remarkable resistance to sulfuric acid environments.

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 Khaled 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 welding wire and rod are tailored for joining and overlaying Alloy 20, 320 stainless steel, and other similar copper-bearing austenitic alloys that face harsh acidic conditions. Key applications include sulfuric acid processing plants, fertilizer facilities, phosphoric acid equipment, pickling lines, heat exchangers, reactors, storage tanks, and acid piping systems. Additionally, it serves as a corrosion-resistant cladding on carbon steel in the chemical industry. ER320LR excels in resisting pitting, intergranular corrosion, and chemical attacks, where standard 316 or 904L fillers may falter under continuous acidic exposure.