Home > Electrodes > AWS Class ER309/309L SAW and FLUX
Weston Stainless, Midland, UK, is a reputable supplier of high-quality stainless steel welding consumables to industries demanding high-grade materials. Its best-selling product, AWS Class ER309/309L SAW and FLUX, is for submerged arc welding of dissimilar metals, stainless steels, and carbon steels. The austenitic stainless steel filler metal has a low-carbon content, minimizing carbide precipitation and intergranular corrosion. In wire form for SAW welding, ER309/309L is formulated with top-notch corrosion resistance, strength, and weldability, which qualify it for demanding industrial applications in severe conditions.
AWS Class ER309/309L SAW and FLUX contain a chemical composition of 23-25% chromium, 12-14% nickel, and up to 0.03% carbon content for the highest oxidation and corrosion resistance. These fillers contain a tensile strength of around 600 MPa, yield strength of around 350 MPa, and elongation of 35%. Their physical characteristics are a density of 7.9 g/cm³ and melting range of 1350-1400°C, rendering them very stable under high-temperature and corrosive conditions.
| 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 |
|
| 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 |
| Tensile Strength, kpsi: | 86* |
| Yield Strength, kpsi: | 58* |
| Elongation %: | 40* |
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Used for submerged arc welding of dissimilar metals and stainless steel, providing strong, corrosion-resistant welds with a clean, slag-free finish for various applications.
Designed for submerged arc welding of dissimilar metals and stainless steel, offering strong welds, high corrosion resistance, and a clean, efficient finish.
High-quality welds with excellent arc stability, minimal spatter, and a clean, slag-free finish, ideal for welding dissimilar metals and stainless steel.
AWS Class ER309/309L SAW and FLUX find vast applications in various industries like petrochemical, power generation, shipbuilding, and construction. They are specially suited for the welding of dissimilar metals, such as stainless steel to carbon or mild steel, and in cladding when high corrosion protection is desired. Their superior weldability along with high mechanical and oxidation resistance, they are eminently suited to fabricate pressure vessels, boilers, pipelines, and chemical equipment that will have to withstand extremely harsh environments.
AWS Class ER309/309L SAW and FLUX are supplied with test certificates for AWS A5.9 and ISO 14343 compliance, certifying chemical composition and mechanical properties. Supplied in wire coils or spools for SAW welding, they are packaged in moisture-resistant material for preservation of quality. They can be delivered in bulk shipments or special packaging, providing safe transit and prompt availability for industrial welding use.
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