Home > Electrodes > AWS Class E320LR-16 Electrodes
Njabulo Stainless, located in Cape Town, South Africa, has built a solid reputation as a reliable manufacturer and supplier of stainless steel products and welding consumables. One of their standout offerings is the AWS Class E320LR-16 electrodes, which are renowned for producing high-quality welds even in tough industrial settings. These electrodes are crafted to ensure excellent arc stability, impressive mechanical performance, and minimal spatter, all while adhering to international welding standards. Njabulo Stainless is committed to providing a dependable supply and consistent quality, catering to clients in construction, manufacturing, and heavy engineering who need durable and efficient welding solutions.
The AWS Class E320LR-16 electrodes typically feature a low alloy steel composition, carefully balanced with controlled amounts of carbon, manganese, silicon, and trace elements like nickel and chromium. This thoughtful formulation results in weld metal with a tensile strength of around 485 MPa (70 ksi) and a yield strength close to 320 MPa (46 ksi). They also boast good impact toughness, particularly in colder conditions, and create welds that have a smooth bead appearance. These electrodes are versatile enough for vertical and overhead welding positions, ensuring mechanical integrity even in challenging environments.
| Classification | AWS A5.4, E320LR-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 E320LR-16 Coated Electrodes Application & uses |
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| C | Cr | Ni | Mo | Nb + Ta | Mn | Si | P | S | Cu |
| 0.03 | 19.0-21.0 | 32.0-36.0 | 2.0-3.0 | 8 X C, min to 0.40 max | 1.50-2.50 | 0.30 | 0.02 | 0.015 | 3.0-4.0 |
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These electrodes offer excellent corrosion resistance and are suitable for welding stainless steel structures. They come in various diameters, such as 2.5 mm, 3.2 mm, and 4.0 mm. The light coating facilitates smooth arc stability and minimal spatter.
Providing superior corrosion resistance, heavy-coated electrodes are ideal for high-stress applications. They are available in diameters of 3.2 mm, 4.0 mm, and 5.0 mm. The heavy coating enhances the weld’s integrity and improves its resistance to oxidation.
With excellent corrosion resistance, these electrodes are designed for shielded arc welding of stainless steel. They are typically available in 2.5 mm, 3.2 mm, and 4.0 mm. The shielded arc provides enhanced protection against contamination during welding.
These electrodes find extensive use in structural steel fabrication, including projects like bridges, buildings, and heavy machinery components, where weld strength and toughness are paramount. They’re also ideal for pressure vessels, pipelines, and offshore structures that face low temperatures, offering excellent crack resistance. Their adaptability makes them perfect for vertical-up and overhead welding, making them a go-to choice for demanding applications in construction, repair, and industrial manufacturing that require strong and reliable weld joints.
AWS Class E320LR-16 electrodes are used primarily for welding high-strength low-alloy steels, including those in construction and heavy equipment manufacturing. These electrodes are known for their excellent crack resistance, low hydrogen content, and strong weldability, making them ideal for structural applications in industries such as shipbuilding, bridges and pipelines. The E320LR-16 electrodes provide high tensile strength and durability, offering a strong, reliable weld that can withstand harsh environments and heavy-duty applications.
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