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Sayam Nickel Alloys, headquartered in Hyderabad, is a trusted manufacturer and supplier of high-quality copper-nickel welding consumables for marine and corrosion-resistant applications. With strong metallurgical expertise and strict quality control, the company delivers electrodes that ensure stable arc performance and reliable weld integrity. Serving industries such as shipbuilding, offshore engineering, desalination, and chemical processing, Sayam Nickel Alloys focuses on products that perform consistently in harsh service environments. Its AWS Class ECuNi Coated Electrodes are developed for dependable welding of copper-nickel alloys, offering excellent resistance to seawater corrosion and long-term durability.
AWS Class ECuNi coated electrodes are copper-nickel based electrodes, typically containing copper as the major element with balanced additions of nickel to enhance strength and corrosion resistance. Small controlled amounts of iron and manganese may be present to improve weld soundness and mechanical stability. The weld metal exhibits good tensile strength, high ductility, and excellent resistance to seawater corrosion, erosion, and biofouling. These electrodes provide smooth arc characteristics and produce sound, crack-free welds with reliable mechanical performance.
| Classification | AWS A5.11, A5.1, ECuNi |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | Direct Current Electrode Positive (DCEP) |
| Diameters | 3/32”, 1/8”, 5/32”, 3/16” or 2.5mm, Ø 3.2mm, Ø 4.0mm, Ø 5.0mm |
| Size | 2.0mm ∞ 5.0mm |
| AC/DC+ | 50-80, 80-110, 100-135, 140-180 |
| Welding Positions | All positions 5/32” & 3/16” recommended for use in flat & horizontal positions only (F, V, OH, H) |
| AWS ECuNi Coated Electrodes Application & uses |
|
| Mn | Fe | Si | Cu including Ag | Ni including Cobalt | P | Pb | Ti | Other |
| 1.00-2.50 | 0.40-0.75 | 0.50 | Remainder | 29.0-33.0 | 0.020 | 0.02 | 0.50 | 0.50 |
At Sayam Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of AWS Class ECuNi Coated Electrodes in Hyderabad, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
AWS Class ECuNi coated electrodes are widely used for welding copper-nickel alloys and for joining copper-nickel materials to carbon steel or stainless steel. They are especially suitable for marine and offshore environments due to their excellent resistance to seawater, salt spray, and erosion corrosion. Typical applications include ship hull components, seawater piping systems, condensers, heat exchangers, desalination plants, and offshore platforms. These electrodes are also used for repair welding in marine and chemical industries, where corrosion resistance, joint reliability, and long service life are critical.
