Home > Nickel Alloys > AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod
Okoye Nickel Alloys, a leading manufacturer and supplier in Kinshasa, Congo, offers high-quality AWS Class ERNiCu-7 MIG and TIG Filler Welding Wire and Rod. Renowned for its excellent corrosion resistance in seawater and reducing environments, this filler wire is ideal for welding Monel alloys and other nickel-copper alloys. With a commitment to precision and performance, Okoye Nickel Alloys ensures that their AWS Class ERNiCu-7 filler materials meet the rigorous demands of various industries, providing reliable and durable welds.
Okoye Nickel Alloys, based in Kinshasa, Congo, has built a solid reputation as a reliable manufacturer and supplier of top-notch **AWS Class ERNiCu-7 MIG and TIG Filler** wires. The company is recognized for providing high-performance nickel-copper welding solutions that adhere to global quality and reliability standards. Thanks to their cutting-edge manufacturing techniques and strict quality control, Okoye Nickel Alloys offers filler metals that guarantee consistent weld integrity, outstanding corrosion resistance, and impressive mechanical strength. Their ERNiCu-7 filler wires are widely used across **marine, chemical, desalination, and power generation** sectors, where durability and the ability to withstand harsh conditions are crucial for long-lasting performance.
| 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 |
The **AWS Class ERNiCu-7 MIG and TIG Filler** wire is a nickel-copper alloy that consists of about 65–70% Nickel, 25–30% Copper, along with small amounts of Titanium, Iron, and Manganese to enhance weldability and corrosion resistance. This specific blend offers remarkable resistance to seawater, salt spray, and various non-oxidizing acids. It boasts strong mechanical properties, featuring a tensile strength of around 480 MPa, yield strength of 170 MPa, and elongation of up to 40%. The wire creates smooth, stable arcs and produces clean weld deposits with minimal porosity, ensuring excellent metallurgical stability and ductility.
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**AWS Class ERNiCu-7 MIG and TIG Filler** wire is mainly utilized for welding **nickel-copper alloys like Monel 400 and R405**, as well as for **joining Monel to steel or other nickel-copper alloys**. It’s perfect for applications in **marine equipment, heat exchangers, condensers, desalination plants, and chemical processing systems**, where resistance to seawater and corrosive fluids is vital. The filler’s exceptional weldability and corrosion resistance make it an excellent choice for both fabrication and repair tasks in environments exposed to saltwater, acids, and high temperatures, ensuring dependable and durable joint performance.
