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Top welding consumables companies like Midalloy, Oxford Alloys, and Raajratna Electrodes Pvt. Ltd. produce electrodes that meet the AWS A5.4 / ASME SFA 5.4 standards, known as E347-16. For instance, Midalloy’s “CHROMAX E347-16” is clearly labeled as an AC/DC coated electrode within this category. These manufacturers usually uphold ISO-9001 or similar quality systems, ensuring full lot traceability, test certificates, and consistent production controls.
| Classification | AWS A5.4, E347-16 |
| 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 E347-16 Coated Electrodes Application & uses |
|
| C | Cr | Ni | Nb+Ta | Mn | Si | P | S | Mo | Cu |
| 0.08 | 18.0-21.0 | 9.0-11.0 | 8xC-1.0 | 0.5-2.5 | 1.0 | 0.04 | 0.03 | 0.75 | 0.75 |
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Exceptional corrosion resistance, particularly against intergranular corrosion. Typically available in diameters of 1/16″ to 1/8″ (1.6 mm to 3.2 mm), they provide a lighter coating, facilitating easier welding with smooth, clean welds and minimal spatter.
High corrosion resistance, especially in harsh environments, these electrodes come in diameters of 1/8″ to 5/32″ (3.2 mm to 4.0 mm). The heavy coating enhances arc stability and provides a thicker slag layer, offering better protection and ease of removal for cleaner welds.
Superior corrosion resistance and are ideal for high-temperature applications. Typically available in diameters of 3/32″ to 1/8″ (2.4 mm to 3.2 mm), they are designed for shielded arc welding, ensuring stable arcs and good weld integrity in challenging conditions.
AWS Class E347-16 Electrodes find broad application in uses where high-temperature strength and corrosion resistance are needed, for example, in pressure vessels, heat exchangers, and chemical processing equipment. They are best suited to welding in petrochemical, power generation, and aerospace industries where intergranular corrosion resistance is important. These electrodes are also used in food processing plants, furnace components, and pipeline welding, ensuring durable and crack-resistant joints in environments exposed to thermal cycling and corrosive chemicals. Their ability to maintain strength at elevated temperatures makes them highly suitable for demanding industrial applications.
The E347-16 electrode is a **niobium- or tantalum-stabilized austenitic stainless-steel electrode** designed for shielded metal arc welding (SMAW) of stabilized chromium-nickel stainless steels, particularly types 347 and 321 (UNS W34710).







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