Alloy 309LMo SAW and Flux

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Alloy 309LMo SAW and Flux Manufacturer in Wadi Al Seer, Alloy 309LMo SAW/Flux Welding Wire in Zarqa, Industrial 309LMo SAW Wire & Flux in Adjlun, Alloy 309LMo Welding Fluxes and Wires Supplier in Irbid, AWS/ASME 5.9 309LMo SAW & Flux in Zarqa, ASFA A5.9 309LMo SAW & Flux in Amman, Jordan

309LMo SAW and flux are high-alloy stainless-steel filler materials designed for submerged-arc welding (SAW) or flux-cored welding of stainless steel to carbon or low-alloy steels, as well as for overlay and surfacing applications requiring enhanced corrosion resistance. The deposited weld metal typically contains 23–25% chromium, 12–14% nickel, and 2–3% molybdenum, with very low carbon (~0.03–0.04%) to minimize carbide precipitation and maintain intergranular corrosion resistance. These consumables provide smooth, stable welds with excellent arc control and low spatter.

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Mechanically, 309LMo weld deposits offer high tensile strength (~620 MPa), good yield strength (~440 MPa), and substantial elongation (~42%). The addition of molybdenum significantly improves resistance to pitting and crevice corrosion, while the alloy tolerates dilution from carbon or low-alloy base metals, reducing the risk of cracking. The flux ensures proper slag coverage, arc stability, and efficient weld bead formation, making it suitable for both flat and out-of-position welding.

Alloy 309LMo SAW and Flux Specifications

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	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

Alloy 309LMo SAW and Flux Chemical Composition

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

Alloy 309LMo SAW and Flux Mechanical Properties

Tensile Strength	89,900
Yield Strength	63,800
Elongation (%)	42%

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Types of Alloy 309LMo SAW and Flux

Alloy 309LMo SAW/Flux Welding Wire

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

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

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.

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Alloy 309LMo SAW and Flux Uses

309LMo SAW and flux are widely used for welding dissimilar metals, cladding or overlaying carbon or low-alloy steels, and providing buffer layers before applying more corrosion-resistant welds. Typical applications include pressure vessels, piping systems, chemical and petrochemical equipment, marine and offshore components, furnace and boiler parts, and general industrial fabrication or repair projects. Its combination of corrosion resistance, high mechanical strength, and weldability makes it ideal for demanding industrial and maintenance welding operations.