Home > Electrodes > AWS Class ER320LR Mig & Tig Filler Welding Wire & Rod
MERIH STAINLESS, located in Istanbul, Turkey, is a reputable manufacturer and supplier of top-notch stainless steel welding consumables, including the AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod. With a strong dedication to quality, the company offers cutting-edge welding solutions that meet global standards for performance and reliability. The ER320LR is specially designed to provide exceptional corrosion resistance in tough environments, ensuring durability and strength for demanding welding tasks. MERIH STAINLESS prides itself on precision manufacturing, rigorous quality control, and a customer-centric approach, delivering products that are trusted across various industries around the globe.
The AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod is a low-carbon, stabilized austenitic stainless steel alloy that includes chromium, nickel, molybdenum, and carefully controlled amounts of silicon and manganese. Its low carbon content helps reduce carbide precipitation, enhancing resistance to intergranular corrosion. This filler material boasts excellent mechanical properties, such as high tensile strength, toughness, and outstanding resistance to oxidation and scaling at high temperatures. The wire and rod ensure stable arc performance, a smooth bead appearance, and reliable weld integrity, making them perfect for critical fabrication where strength and corrosion resistance are paramount.
| 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 |
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| C | Cr | Ni | Mo | Mn | Si | P | S | Nb | Cu 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 |
| Tensile Strength, ksi: | 86* |
| Yield Strength, ksi: | 58* |
| Elongation %: | 35* |
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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.
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.
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.
The AWS Class ER320LR MIG and TIG Filler Welding Wire and Rod is ideal for welding applications that demand superior resistance to strong oxidizing and reducing agents, especially in harsh chemical and industrial settings. It’s commonly used in chemical processing equipment, pulp and paper plants, marine components, and heat exchangers that face corrosive media. Its low carbon formulation boosts resistance to intergranular corrosion, ensuring a long service life for welded components. This filler material is widely favored for its stability and durability, making it a go-to choice in demanding industries where strength, corrosion resistance, and reliability are essential.







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