Conrad Welding Supplies is a reputable manufacturer and supplier located in Houston, USA, focusing on top-notch welding consumables, including the AWS Class ER320LR MIG and TIG filler welding wire. With a strong dedication to performance and precision, Conrad Welding Supplies meets a variety of industrial needs by offering premium filler metals that adhere to strict AWS standards. The company is well-known for its reliability and consistent product quality, serving diverse industries like petrochemical, food processing, and aerospace with products designed for durability and exceptional weld integrity, ensuring long-lasting value and outstanding service for clients throughout the United States.
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| 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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The AWS Class ER320LR MIG and TIG filler welding wire is primarily made up of chromium (19-21%), nickel (33-37%), molybdenum (2.0-3.0%), and has a low carbon content to minimize carbide precipitation. This wire is specifically crafted to maintain corrosion resistance in highly aggressive environments. It boasts a tensile strength of around 75,000 psi and impressive impact toughness. Its low carbon content (maximum 0.02%) enhances resistance to intergranular corrosion, making it perfect for extended exposure to corrosive media. These mechanical and chemical properties make ER320LR an excellent choice for demanding applications that require both precision and strength.
| 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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Conrad Welding Supplies is a Top manufacturer and supplier of high-quality AWS Class ER320LR MIG and TIG Filler Welding Wire in Houston , USA. Specializing in welding solutions, we provide a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Known for our reliable delivery and superior customer service, We are committed to offering top-tier welding materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your welding needs.
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AWS Class ER320LR MIG and TIG filler welding wire is commonly utilized in situations where corrosion resistance, especially in aggressive and oxidizing environments, is essential. Industries such as chemical processing, pharmaceuticals, and power generation depend on it for welding materials that face high temperatures and corrosive chemicals. It’s particularly suited for joining or repairing components in heat exchangers, reactors, piping, and other equipment made from matching or similar alloys. Its low carbon content ensures long-lasting durability by reducing carbide precipitation, thereby preserving structural integrity and performance even under harsh service conditions.
We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.
Conrad Welding Supplies is a leading manufacturer, supplier and exporter of high-quality Coated Electrodes, Flux Core, MIG & TIG wires, SAW & Flux, Welding Wires, and Filler Wires, catering to various industries in Houston , USA
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