Home > Electrodes > Alloy 309LMo SAW and Flux
Here’s the text we’re looking at: The 309LMo SAW (Submerged-Arc Welding) wire, along with its matching flux, is a specialized stainless-steel welding system. It’s crafted to create a weld metal that contains about 23-25% chromium, 12-14% nickel, and 2.0-3.0% molybdenum (Mo), while keeping carbon levels very low (≤ 0.03-0.04%) to reduce carbide precipitation and boost corrosion resistance. ([subarcflux.com][1])
This welding system is designed for joining austenitic stainless steels, overlaying carbon or low-alloy steels with stainless deposits, and for creating joints between different metals (like stainless to carbon steel) in environments that are corrosive or have high temperatures. The increased molybdenum content enhances resistance to pitting and crevice corrosion, making it ideal for applications in chemical, petrochemical, marine, offshore, and high-temperature fabrication. ([oxfordalloys.com][2])
| 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% |
Contact us to get a quick quote for your requirement.
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.
We provide comprehensive documentation for our Alloy 309LMo SAW and Flux, ensuring transparency and reliability. This includes a commercial invoice, packaging list, fumigation certificate, heat treatment chart and quality assurance plan. A NABL-approved lab test report guarantees adherence to strict standards. Additionally, we offer various test certificates, including MTC as per EN 10204/3.1b, PMI, 100% radiography test and a Third-Party Inspection Certificate. These measures ensure complete client satisfaction and product integrity.
If you’re interested, I can also pull up a complete datasheet for the “wire + flux” of 309LMo SAW, which includes welding parameters, diameters, currents, and flux types, plus check on supplier availability and pricing in Nigeria.
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