Copper Nickel 70/30 welding rods and filler wires play a crucial role in joining and fabricating components made of Copper Nickel 70/30 alloy. This alloy, also known as C71500, is composed of 70% copper and 30% nickel, offering an excellent combination of corrosion resistance, strength, and thermal conductivity. The welding process is a key step in the manufacturing and repair of marine, offshore, and other applications where resistance to corrosion and biofouling is critical.
Copper Nickel 70/30 welding rods are specifically designed for shielded metal arc welding (SMAW) or manual metal arc welding (MMAW). These rods are manufactured to meet stringent industry standards and are available in various diameters to suit different welding requirements. The welding rods ensure a stable arc, easy ignition, and consistent weld bead formation, making them suitable for both novice and experienced welders.
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The filler wires used in welding applications with Copper Nickel 70/30 are equally important. These wires are typically made from the same alloy composition to ensure compatibility and maintain the desired material properties in the welded joint. The filler wires are designed to provide a strong and durable bond, effectively joining Copper Nickel 70/30 components with minimal risk of corrosion or performance degradation.
One of the key advantages of Copper Nickel 70/30 welding rods and filler wires is their resistance to biofouling and corrosion in marine environments. This makes them ideal for the construction and repair of ship hulls, offshore platforms, and other submerged structures. Additionally, the alloy's excellent resistance to crevice corrosion and stress corrosion cracking enhances its suitability for critical applications in aggressive environments.
Welding with Copper Nickel 70/30 rods and filler wires requires adherence to proper welding procedures, including pre-weld and post-weld heat treatments, to ensure the integrity of the welded joints. Proper storage and handling of the welding consumables are also essential to prevent contamination and maintain their effectiveness.
AWS A 5.14
0.60 mm to 1.60 mm (0.025” to 0.062”)
Cupro Nickel 70/30
1/16" (1.6 mm)
1.6-3.2mm
Filler Wire / Welding Rod
Brigh, Anneal
STANDARD | WERKSTOFF NR. | UNS |
Copper Nickel 70/30 | 2.0882 | C71500 |
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Copper Nickel 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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