Copper-nickel 70/30 socket weld fittings are crucial components in piping systems, known for their exceptional corrosion resistance and durability. Comprising 70% copper and 30% nickel, these fittings offer a balanced combination of properties that make them ideal for various applications, particularly in marine and industrial environments.
One of the key advantages of Cu-Ni 70/30 socket weld fittings is their resistance to corrosion in seawater, making them widely used in shipbuilding and offshore industries. The addition of nickel enhances the alloy's resistance to both general and localized corrosion, ensuring a longer lifespan in harsh conditions. This corrosion resistance is vital for preventing leaks and maintaining the integrity of the entire piping system.
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The socket weld design of these fittings adds to their reliability and ease of installation. The socket weld connection involves inserting the pipe into the socket, and then fillet welding the joint. This creates a strong and leak-proof connection, suitable for high-pressure applications. The simplicity of the socket weld design also allows for easy disassembly and maintenance, contributing to the overall efficiency of the piping system.
Cu-Ni 70/30 socket weld fittings exhibit excellent thermal conductivity, making them suitable for applications that involve the transport of fluids at varying temperatures. This property ensures efficient heat transfer and helps maintain a consistent temperature within the piping system. Additionally, the alloy's thermal stability contributes to its overall structural integrity under challenging operating conditions.
The alloy's malleability and formability make it easy to work with during manufacturing and installation processes. This is particularly advantageous when intricate or customized fittings are required for specific applications. The versatility of Cu-Ni 70/30 allows for the creation of a wide range of fittings, including elbows, tees, couplings, and more, to meet the diverse needs of different industries.
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
1/8” NB to 4” NB (Socketweld, Forged)
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Socketweld Fittings, Forged Fittings
EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
90º Elbows, 45º Elbows, Tees, Cross, Couplings, Reducer Inserts, Pipe Nipple, Unions
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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