Home > Electrodes > Alloy 309LMo SAW and Flux
MERIH STAINLESS, located in Istanbul, Turkey, specializes in crafting top-notch Alloy 309LMo submerged arc welding (SAW) wires and flux that are built to withstand tough industrial demands. These Alloy 309LMo SAW consumables are known for their outstanding corrosion resistance and impressive strength at high temperatures, making them perfect for welding stainless steels and different types of metals. With a commitment to quality, MERIH STAINLESS guarantees reliable product performance, featuring stable arcs, deep penetration, and easy slag removal. These products find their place in industries like chemical processing, power generation, and petrochemicals, where strong and durable welds are crucial for long-lasting service and structural integrity.
When it comes to the chemical makeup of Alloy 309LMo SAW wire, you can typically expect it to contain 23–25% Chromium, 13–15% Nickel, and 2–3% Molybdenum, all while keeping carbon content low (≤0.04%) to prevent carbide precipitation and intergranular corrosion. The specially formulated flux ensures excellent slag removal and high-quality weld beads. The mechanical properties of the weld metal usually boast a tensile strength of at least 550 MPa, yield strength of 380 MPa or more, and an elongation of at least 30%. This thoughtful combination of alloy composition and flux design provides exceptional resistance to pitting, crevice corrosion, and high-temperature oxidation, making it suitable for critical welding tasks.
| Classification | AWS A5.9, 309LMo |
| Form | Welding Fluxes and Wires |
| Type Of Welding | Submerged Arc Welding |
| Thickness available | Upto 4 mm |
| AWS 309LMo SAW & Flux Application & uses |
|
| C | Mn | Si | Cr | Ni | S | P | Mo | Cu |
| 0.03 max | 1.0-2.5 | 0.30-0.65 | 23-25 | 12-14 | 0.03 max | 0.03 max | 2-3 | 0.75 max |
| Tensile Strength | 89,900 |
|---|---|
| Yield Strength | 63,800 |
| Elongation (%) | 42% |
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Alloy 309LMo SAW/Flux Welding Wire is used for submerged arc welding, providing high resistance to corrosion and oxidation, excellent weld strength, and a clean, slag-free finish for demanding applications.
Industrial 309LMo SAW Wire & Flux are used for submerged arc welding, offering high corrosion and oxidation resistance, strong welds, and a clean, slag-free finish, suitable for harsh industrial applications.
SFA A5.9 309LMo SAW & Flux are specified for submerged arc welding, providing superior corrosion and oxidation resistance, strong welds, and a clean, slag-free finish for demanding industrial environments.
Alloy 309LMo SAW wires and flux are frequently utilized in the fabrication and repair of components that face harsh environments, such as heat exchangers, pressure vessels, chemical reactors, and furnace parts. The high molybdenum content significantly boosts corrosion resistance, especially in chloride-rich and high-temperature settings. These consumables are perfect for welding stainless steels, carbon steels, and dissimilar joints where strength and durability in corrosive conditions are essential. MERIH STAINLESS proudly supplies these products worldwide, offering welders dependable solutions for their challenging projects.
Alloy 309LMo SAW (Submerged Arc Welding) and flux are primarily used for welding stainless steels and high-temperature applications in industries such as petrochemical, power generation, and marine. The alloy provides excellent resistance to oxidation and corrosion, making it ideal for welding dissimilar metals, heat exchangers, pressure vessels and equipment exposed to aggressive environments. The flux ensures smooth welds, improves arc stability, and enhances the overall weld quality, providing strong, durable joints that withstand harsh conditions.
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