Home > Electrodes > 309LMo MIG & TIG Filler Welding Wire & Rod
Njabulo Stainless, located in Cape Town, South Africa, specializes in providing top-notch 309LMo MIG and TIG filler welding wire and rods. These products are specifically crafted for welding austenitic stainless steels and joining dissimilar metals. Thanks to their molybdenum content, these filler metals boast impressive corrosion resistance, particularly against pitting and crevice corrosion. Njabulo Stainless is committed to ensuring that their 309LMo welding wires and rods adhere to international quality standards, guaranteeing consistent performance and dependable welds for various industries, including chemical processing, power generation, and construction.
The 309LMo filler metals feature a chemical makeup that includes around 23% chromium, 12-15% nickel, and approximately 1.5-3% molybdenum, which significantly boosts their resistance to corrosion and high-temperature oxidation. The “L” in their name signifies low carbon content, which helps reduce carbide precipitation and intergranular corrosion. These wires and rods yield weld metal that exhibits excellent tensile strength, toughness, and ductility, making them ideal for welding stainless steel to carbon steel or other dissimilar metals.
| Classification | AWS A5.9, 309LMo |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS 309LMo MIG & TIG Filler Metal 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 (psi) | 86,000 psi (593 MPa) |
|---|---|
| Yield Strength (psi) | 57,000 psi (393 MPa) |
| Elongation (%) | 42% |
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Alloy 309LMo MIG filler wire provides excellent corrosion resistance and high-temperature strength, suitable for welding in harsh environments like chemical processing and power generation.
Alloy 309LMo TIG filler wire offers superior resistance to pitting and crevice corrosion, ideal for high-temperature applications and joining dissimilar metals in challenging environments.
Alloy 309LMo TIG filler rod delivers robust corrosion resistance and strength, perfect for precision welding in harsh conditions, including chemical processing, petrochemical, and power generation industries.
These filler metals are commonly utilized in the fabrication and repair of equipment that endures harsh chemical conditions and high temperatures—think chemical tanks, pressure vessels, and heat exchangers. The 309LMo filler metals deliver strong, corrosion-resistant welds and are compatible with both MIG and TIG welding processes. They provide smooth arc characteristics and clean weld deposits, making them a go-to choice for challenging stainless steel welding tasks.
Alloy 309LMo MIG and TIG Filler Welding Wire and Rod are extensively used in demanding programs requiring superior corrosion resistance and energy at improved temperatures. The addition of molybdenum enhances resistance to pitting and crevice corrosion, making it best for harsh environments. Common makes use of encompass chemical processing system, petrochemical plant life, electricity generation, and heat exchangers. It is also used for joining distinct metals and overlay welding. The alloy’s strong properties ensure long lasting, exquisite welds, making it suitable for each industrial fabrication and protection programs in corrosive and high-temperature settings.
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