Home > Electrodes > AWS Class E309LMo-16 Electrodes
Harshita Stainless, a reputable manufacturer and supplier based in Delhi, India, specializes in high-quality AWS Class E309LMo-16 Electrodes. These electrodes are specifically crafted for welding dissimilar metals and stainless steels, particularly in harsh, corrosive environments. They excel at joining stainless steel to carbon steel and serve as buffer layers in cladding applications. Thanks to the added molybdenum in their formulation, they offer exceptional resistance to pitting, crevice corrosion, and high-temperature oxidation. Harshita Stainless guarantees that each electrode provides a stable arc, minimal spatter, and a smooth bead finish, making them perfect for critical applications in industries like chemical processing, offshore, marine, and power generation, where durability and corrosion resistance are crucial.
AWS Class E309LMo-16 Electrodes are composed of about 22–24% Chromium, 12–14% Nickel, 2–3% Molybdenum, and a low carbon content of less than 0.04%. This unique composition enhances their resistance to intergranular corrosion and aggressive environments. The inclusion of molybdenum significantly boosts their ability to resist pitting and crevice corrosion. These electrodes yield weld deposits with a tensile strength of around 600 MPa, a yield strength close to 400 MPa, and an elongation of about 30%. They are designed for all-position welding using either AC or DC currents, ensuring excellent arc stability, easy slag removal, and robust, crack-resistant welds—making them particularly effective for joining dissimilar metals or cladding carbon steels to provide corrosion protection.
| 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 |
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| 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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These electrodes offer 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.
These electrodes are known for 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.
These electrodes provide 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.
Our AWS Class E309LMo-16 electrodes are carefully packed in wooden boxes with waterproof protection and lifting points for ease of transport. To ensure full client satisfaction, each order is accompanied by crucial documents such as a commercial invoice, packing list, heat treatment chart and Material Test Certificates, providing full transparency and assurance of product quality.
AWS Class E309LMo-16 electrodes are primarily used for welding stainless steels, particularly in applications requiring high strength, corrosion resistance and toughness. These electrodes are well suited for joining 309 and similar grade stainless steels. They have good weldability and low heat input. They are used in industries such as chemical processing, petrochemical, power generation, and food processing. The addition of molybdenum enhances resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for harsh environments.
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