Home > Electrodes > Alloy 309LMo SAW and Flux
At Mitchell Stainless in Hamilton, New Zealand, we supply premium welding consumables engineered for high-performance and reliability. Our Alloy 309LMo SAW (Submerged Arc Welding) electrodes and flux are designed for joining austenitic stainless steels in high-temperature and corrosive environments. Featuring excellent resistance to oxidation, pitting, and crevice corrosion, 309LMo ensures strong, durable welds with minimal spatter. Ideal for chemical, petrochemical, and high-temperature industrial applications, these welding consumables provide consistent weld quality. Backed by Mitchell Stainless’ commitment to quality and expertise, 309LMo SAW electrodes and flux deliver reliable, corrosion-resistant, and long-lasting welds.
Alloy 309LMo SAW electrodes and flux are manufactured from low-carbon austenitic stainless steel containing chromium, nickel, and molybdenum. The low carbon reduces carbide precipitation, enhancing intergranular corrosion resistance. Molybdenum improves pitting and crevice corrosion resistance in aggressive environments. These consumables provide high tensile strength, toughness, and excellent ductility, producing smooth, defect-free welds with minimal spatter. Alloy 309LMo maintains mechanical integrity and corrosion resistance in welded joints, making it ideal for industrial, chemical, and high-temperature applications where durability and reliability are critical.
| 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.
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.
Alloy 309LMo SAW and flux are widely used in high-temperature, corrosive, and industrial applications. Typical uses include chemical processing equipment, boilers, heat exchangers, petrochemical plants, and high-temperature piping systems. They are also suitable for structural and fabrication projects exposed to aggressive environments or requiring corrosion-resistant welds. At Mitchell Stainless, we supply 309LMo SAW electrodes and flux for projects demanding strong, durable, and long-lasting welds. Their combination of corrosion resistance, high-temperature stability, and mechanical performance makes them a trusted choice for industrial, chemical, petrochemical, and high-performance engineering applications.
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