AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod

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Andre Stainless is a trusted producer and supplier in Pulau Ujong, Singapore. They offer high-alloy stainless steel welding products like AWS Class ER320LR MIG and TIG filler wires and rods. This low-carbon version of ER320 is designed for welding high-alloy austenitic stainless steels that need improved resistance to intergranular corrosion. Built for critical applications in harsh chemicals and high temperatures, ER320LR ensures low ferrite content and excellent microstructural stability. Andre Stainless provides dependable products to Singapore’s top industries, including pharmaceuticals, aerospace, and petrochemical refining.

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ER320LR contains 19-21% Chromium, 32-38% Nickel, along with Molybdenum (2-3%), Columbium (Niobium), and very low carbon (<0.02%). It offers great resistance to stress corrosion cracking. Typical mechanical properties include tensile strength of 85,000 psi (586 MPa), yield strength of 60,000 psi (414 MPa), and elongation of about 30%. The low carbon and low residuals minimize sensitization while promoting high ductility and corrosion resistance after welding. This product is suitable for fully austenitic microstructures.

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 Andre 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 high-alloy austenitic stainless steels in highly corrosive chemical settings. In Pulau Ujong’s industrial sector, it is applied in pressure vessels, heat exchangers, and reactor systems found in chemical and petrochemical industries. It performs extraordinarily well in environments with strong acids like nitric or sulfuric acid. The low residual and carbon levels prevent weld decay, making it suitable for precision-critical components in pharmaceutical processing, fertilizer plants, and nuclear facilities. ER320LR offers excellent long-term reliability in tough, high-temperature operations.