Home > Nickel Alloys > AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod
Santner Nickel Alloys stands out as a top-notch manufacturer and supplier of AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod, catering to industries in Hamilton, New Zealand, and beyond. This company has built a solid reputation for delivering high-quality welding consumables that are designed to last, resist corrosion, and provide consistent weld performance. The ERNiCu-7 filler materials are specifically crafted for use with copper-nickel alloys, making them ideal for situations where exceptional resistance to seawater, brine, and sulfide corrosion is crucial. With state-of-the-art manufacturing facilities and rigorous quality assurance practices, Santner Nickel Alloys ensures that their filler solutions not only meet international welding standards but also support vital marine, offshore, and industrial applications.
The AWS Class ERNiCu-7 MIG and TIG Filler Wire and Rod are primarily made from a copper-nickel alloy that consists of 65% Cu, 30% Ni, along with carefully controlled amounts of Mn, Fe, and other trace elements to enhance weldability and corrosion resistance. These fillers boast impressive mechanical properties, such as high tensile strength, good ductility, and outstanding resistance to seawater, stress corrosion cracking, and erosion. The weld deposits are robust, crack-resistant, and maintain their structural integrity even when faced with fluctuating thermal conditions, ensuring strong and dependable welds for the most demanding marine and industrial environments.
| Classification | AWS A5.14, ERNiCu-7 |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ERNiCu-7 MIG & TIG Filler Metal Application & uses |
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| C | Mn | Fe | P | S | Si | Cu | Ni | Al | Ti | Other |
| 0.15 | 4.0 | 2.5 | 0.02 | 0.015 | 1.25 | Rem | 62.0-69.0 | 1.25 | 1.5-3.00 | 0.50 |
| AWS Class: ERNiCu-7 | Certification: AWS A5.14/A5.14M:2009 |
| Alloy: ERNiCu-7 | ASME SFA A5.14 |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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.
The AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod are popular choices for welding copper-nickel alloys, particularly the 90/10 and 70/30 grades. You’ll often find them in applications like marine seawater piping systems, desalination plants, heat exchangers, shipbuilding, condensers, offshore structures, and corrosion-resistant cladding. This filler is perfect for welding parts that come into contact with seawater, brine, and biofouling, thanks to its outstanding resistance to corrosion and erosion. Additionally, ERNiCu-7 is utilized in power generation, chemical processing, and the oil & gas industries for both fabricating and repairing Cu-Ni equipment, where durability and a long service life are essential.
