Home > Electrodes > AWS Class E309LMo-16 Electrodes
Weston Stainless, Midland, UK, is a prominent distributor of premium stainless steel products to construction, manufacturing, and energy industries. One of its specialty welding consumables is the AWS Class E309LMo-16 Electrodes, used for excellent corrosion resistance and high-temperature uses. These electrodes, in rod form, are made of austenitic stainless steel with low carbon content and added molybdenum for improved pitting and crevice corrosion resistance. With an E309LMo-16 grade, they are suited for welding similar metals, carbon steel to stainless steel, and uses demanding exceptional oxidation and heat resistance.
AWS Class E309LMo-16 Electrodes contain a chemical composition of Chromium (22-25%), Nickel (12-14%), Molybdenum (2-3%), Carbon (≤0.03%), and Manganese (0.5-2.5%), which offers exceptional corrosion and oxidation resistance. Their mechanical characteristics involve a tensile strength of about 80,000 psi, yield strength of 60,000 psi, and elongation of about 30%, which provide high ductility and toughness. These electrodes are also noted to have greater thermal stability, increased resistance against pitting and crevice corrosion, and superior impact strength at higher temperatures, and thus find best use in severe industrial conditions.
| Classification | AWS A5.4, E309/309L-16 |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | AC-DCEP (Direct Current Electrode Positive) |
| Welding Position | F, V, OH, H |
| Size | 2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm |
| AC/DC+ | AC or DC (+) |
| JIS Specification | BS 2926 19.9 A R |
| Other Specification | DIN 8556 E19 9 R 23 A |
| AWS E309/309L-16 Coated Electrodes Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.04 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.5-2.5 | 1.00 | 0.04 | 0.03 | 0.75 |
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Excellent resistance to oxidation and corrosion. They are available in 2.5 mm, 3.2 mm, and 4.0 mm diameters, designed for light-duty applications requiring minimal coating thickness.
Superior corrosion resistance and are suitable for more demanding conditions. Sizes include 3.2 mm, 4.0 mm, and 5.0 mm, with a thicker coating that enhances durability and performance under heavy-duty usage.
High resistance to corrosion and oxidation, featuring shielding to protect the weld from atmospheric contamination. Available in 2.5 mm, 3.2 mm, and 4.0 mm diameters, they are ideal for stable arc welding and consistent weld quality.
AWS Class E309LMo-16 Electrodes are also common in applications like shipbuilding, chemical processing, power generation, and offshore engineering. They are more specifically recommended for welding stainless steel parts under corrosive conditions, such as boiler tubes, heat exchangers, and pressure vessels. They are also applied in overlay welding, cladding, and repairing structures of dissimilar metals to produce excellent, long-lasting, and corrosion-resistant welds. Their low-carb, moly-enhanced chemical and physical makeup has them especially suitable for processes requiring excellent resistance against corrosive chemicals and heat for long-term performance of welds.
AWS Class E309LMo-16 Electrodes are supplied with test certificates confirming compliance with AWS and industry standards for high-quality welding performance. Electrodes are offered in a range of diameters and packaging forms, including vacuum-sealed containers to exclude moisture absorption. Delivery is fast and customer-specific, with secure packaging to protect products during transit. Global shipping facilities make these electrodes a safe choice for a broad spectrum of industrial welding applications.







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