Home > Electrodes > AWS Class E330-16 Electrodes
Harsh Metalloys stands out as a reputable manufacturer and supplier of AWS Class E330-16 Electrodes, located in Mumbai, India. These specialized stainless steel electrodes are crafted specifically for welding heat- and scale-resistant alloys, with a focus on the 330 stainless steel grade. The E330-16 electrodes excel in high-temperature settings, delivering robust, oxidation-resistant welds that can withstand temperatures up to 1150°C. Renowned for their smooth arc performance and easy slag removal, they are perfect for critical fabrication and repair work in thermal processing industries. Harsh Metalloys guarantees that each electrode adheres to strict international standards, making them ideal for use in furnaces, heat exchangers, and petrochemical equipment.
AWS Class E330-16 Electrodes generally consist of 35–37% nickel and 14–17% chromium, providing outstanding high-temperature strength and oxidation resistance. With a well-balanced austenitic microstructure, the weld deposits are highly resistant to carburization and scaling at temperatures reaching 1150°C. These electrodes achieve a tensile strength of ≥ 550 MPa, yield strength of ≥ 300 MPa, and an elongation of about 30%. The weld metal remains stable even under cyclic thermal stresses. E330-16 works well with both AC and DC+ polarity and can be applied in flat, horizontal, vertical, and overhead positions, ensuring top-notch weld quality in heat-intensive applications.
| Classification | AWS A5.4, E330-16 |
| 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 E330-16 Coated Electrodes Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.18-0.25 | 14.0-17.0 | 33.0-37.0 | 0.75 | 1.0-2.5 | 1.00 | 0.04 | 0.03 | 0.75 |
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These electrodes offer excellent corrosion resistance for welding stainless steel. They are typically available in diameters ranging from 2.5 mm to 5.0 mm and lengths of 300 mm to 450 mm. The light coating ensures smooth arc stability and ease of operation.
Providing superior corrosion resistance, heavy-coated electrodes are designed for demanding environments. Sizes generally range from 3.2 mm to 5.0 mm in diameter and lengths of 350 mm to 450 mm. The heavy coating enhances the arc stability and weld quality in challenging applications.
These electrodes feature excellent corrosion resistance and are ideal for shielded arc welding. They come in diameters from 2.5 mm to 4.0 mm and lengths of 300 mm to 450 mm. The shielding provides effective protection against contamination during the welding process.
AWS Class E330-16 Electrodes are perfect for welding 330-grade stainless steels, which are often found in settings that face intense heat and oxidation. You’ll see these electrodes commonly used in furnace construction, heat treating equipment, burners, kilns, radiant tubes, exhaust systems, and thermal barrier structures. They’re also great for welding parts that have to deal with sulfur-rich environments and carburizing conditions, making them essential in industries like steel manufacturing, cement production, petrochemical refineries, and industrial ovens. Their ability to resist scaling, thermal shock, and metal fatigue makes them a must-have for fabrication and maintenance, especially where welds need to withstand repeated heating and cooling cycles in corrosive environments.
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