STAVINOX 309LMo

Main Features and Benefits

309LMo gives stable welding performance and strong mechanical properties across many applications.

• Molybdenum alloyed weld metal: Raises the tensile strength and corrosion resistance of the weld.
• Suitable for dissimilar metal welding: Makes it possible to join stainless steel to carbon and medium tensile steels.
• Reliable buffer layer performance: A strong option for intermediate layers laid down before surfacing with 316L stainless steel.
• Good corrosion resistance: Performs well where molybdenum alloying is needed.
• Stable arc characteristics: Welds smoothly in both MIG and TIG processes.
• Wide industrial usability: Fits fabrication, cladding and structural welding applications.

With these qualities, the 309LMO welding rod is well suited to critical fabrication and repair work.

Specifications

The table below gives the mechanical properties and welding conditions for 309LMo.

Properties

309LMo welding consumables are austenitic stainless steel fillers made for high corrosion resistance, strength and reliability, particularly in demanding industrial and chemical environments.

• Austenitic Stainless Steel Weld Metal: Gives a stable, crack-resistant weld structure for both similar and dissimilar metal welding.
• Enhanced Corrosion Resistance: Molybdenum improves resistance to pitting and crevice corrosion, especially in chloride-rich and chemical environments.
• Good High-Temperature Performance: Keeps its strength and oxidation resistance at elevated temperatures, which suits heat-exposed components.
• High Crack Resistance: Controlled ferrite content in the weld metal helps limit hot cracking during welding and cooling.
• Good Mechanical Strength: Dependable tensile strength and ductility let welds cope with stress and thermal expansion.
• Excellent Weldability: Gives a stable arc and smooth metal transfer, leaving clean weld beads with minimal spatter.
• Suitable for Dissimilar Metal Welding: Often used to join stainless steel to carbon or low-alloy steels.

These properties make the 309LMo welding rod a dependable choice for fabrication, repair and maintenance welding in chemical, petrochemical and industrial applications.

Related Products

We supply a range of complementary welding consumables for varied stainless steel and special welding requirements across industries.

• 309 and 309LSi Stainless Steel Welding Wires: Well suited to dissimilar metal welding and buffer layer applications, giving strong, crack-resistant welds.
• 316 and 316L Stainless Steel Consumables: Made for applications needing higher corrosion resistance, especially in chemical, marine and industrial environments.
• 347 Series Stainless Steel Wires: for high-temperature service where intergranular corrosion resistance is important.
• Dissimilar Metal Welding Consumables: Engineered to join different metals reliably, giving durable, stable welds in complex fabrication work.