Conra Welding Supplies, based in Houston, USA, is a well-respected name in the world of welding, known for producing and supplying top-notch welding solutions like the AWS Class ER309/309L SAW & Flux systems. These products are specifically crafted for submerged arc welding, making them perfect for fusing dissimilar metals and stainless steels with carbon or low-alloy steels. Conra is committed to delivering consistent quality and outstanding weld integrity, featuring smooth arc performance, high deposition rates, and minimal slag. Their ER309/309L SAW & Flux offerings are highly regarded in sectors such as petrochemical, power generation, and fabrication, where corrosion resistance and mechanical strength are crucial.
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| Classification | AWS A5.9, ER309/309L |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS ER309/309L SAW & Flux Application & uses |
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The AWS Class ER309/309L SAW wire is composed of 22–24% chromium and 12–14% nickel, with a low carbon content usually below 0.03% in the 309L grade, which helps improve resistance to intergranular corrosion. When paired with the right SAW flux, this wire provides excellent arc stability and produces clean welds. Typically, the mechanical properties include a tensile strength ranging from 80,000 to 90,000 psi, yield strength over 60,000 psi, and an elongation of about 30%. The alloy’s composition ensures great oxidation and corrosion resistance while maintaining strong, ductile welds even under varying service conditions, particularly in high-temperature or corrosive settings.
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 23.0-25.0 | 12.0-14.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Class | UNS | Oxford Alloys |
| ER309/309L | S30983 | Alloy 309/309L |
| Tensile Strength, kpsi: | 86* |
| Yield Strength, kpsi: | 58* |
| Elongation %: | 40* |
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Conrad Welding Supplies is a prominent manufacturer and supplier of top-tier AWS Class ER309/309L SAW & Flux in Houston , USA. We specialize in providing advanced welding solutions and offer a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux, and filler wires. Known for reliable delivery and outstanding customer service, we are committed to offering high-quality welding materials that ensure durability and optimal performance for various industrial applications. Our dedication to excellence has made us a trusted partner for all your welding needs.
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AWS Class ER309/309L SAW & Flux is primarily used for welding dissimilar metals such as stainless steels to mild steels. Where high strength, corrosion resistance and thermal stability are required. It is ideal for applications. Where stainless steel needs to be joined to carbon steel or low-alloy steel. This consumable is commonly used in industries such as petrochemical, power generation, shipbuilding, pressure vessel manufacturing and fabrication of heat exchangers. It is also frequently employed in maintenance and repair welding, where joining different metal types is necessary. ER309/309L ensures strong and durable welds that resist cracking and corrosion in these demanding environments.
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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