REDUCING UNION
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COPPER NICKEL REDUCING UNION
The Copper Nickel Reducing Union manufactured by Nexus Alloys and Steels, often referred to as a Cu-Ni Reducing Union, is a type of pipe fitting that is designed to connect two tubes with different outside diameters. It is made from Cupronickel, a copper-nickel alloy that is known for its excellent resistance to corrosion, crevice corrosion, stress corrosion cracking, and hydrogen embrittlement. Cupro Nickel is available in two grades: 90/10 Cupro-nickel and 70/30 Cupro-nickel, which are determined based on the amount of Copper and Nickel in the alloy. These fittings are manufactured in a variety of materials, sizes, specifications, grades, and dimensions to meet the diverse needs of various applications
DESCRIPTION
Reducing Union Fittings by Nexus Alloys and Steels are popular in industrial applications that require efficient pneumatic system connections. These unions ensure secure, leak-proof seals, resist corrosion, and perform well in tough environments. They are available in various sizes and materials like stainless steel, Inconel, monel, and more, tailored to specific industries. In summary, Copper Nickel Reducing Unions are versatile, durable, and reliable fittings used in a wide range of industrial applications. They are designed to provide reliable leak-free connections for instrumentation, process and control, and analyser applications that specify a two ferrule tube fitting connection. They can be easily assembled and disassembled without causing deformation to the respective pipes
Key Features of Copper-Nickel Reducing Union
- Material Composition : They are primarily composed of copper and nickel, with small amounts of other elements added to enhance properties such as strength, corrosion resistance, hardenability, weldability, and castability
- Types : The most common types of Copper Nickel Reducing Unions are the 90/10 and 70/30 alloys. The 90/10 alloy contains 90% copper and 10% nickel, while the 70/30 alloy contains 70% copper and 30% nickel
- Corrosion Resistance : These fittings have exceptional resistance to general corrosion and stress corrosion cracking due to the low iron content, making them perfect for the maritime or industrial sectors
- Durability and Ductility : Compression fittings made of cupro-nickel 70/30 are durable and ductile
- Applications : They are used in valve and pump parts, which are renowned for their toughness, dimensional accuracy, and corrosion resistance. They are also used for light-duty condensers, feed water heaters and evaporators, power plants, and multi-core cabled tubes for hydraulic and pneumatic lines
- Machinability : These fittings have a 20% machinability rating
- Corrosion and Pitting Resistance : In marine conditions, these fittings exhibit exceptional corrosion and pitting resistance
GRADES
- Cu-Ni 90/10 (UNS C70600) : C70600, also recognized as Copper Nickel 90/10, is an alloy containing 90% copper and 10% nickel. It is reinforced with iron and manganese to offer robust strength and corrosion resistance. Widely utilized in marine applications, this alloy exhibits outstanding resilience against environmental factors such as seawater, brine water, organic compounds, salts, diluted non-oxidizing acids, and more
- Cu-Ni 70/30 (UNS C71500) : C71500, known as Copper Nickel 70/30, is composed of 70% copper and 30% nickel, with additional minor amounts of iron and manganese to improve overall strength and corrosion resistance. Demonstrating superior resistance to corrosion and erosion when compared to Copper Nickel 90/10, it finds application in demanding conditions in both marine and industrial services
TECHNICAL SPECIFICATION
- Material : Copper-Nickel
- Chemical Composition : Copper 88.6%, Nickel 10.0%, Iron 1.4%
- Mechanical Properties : Tensile strength is 45,000 psi, Yield strength is 18,000 psi, and Elongation is 35%
- Size : Available in sizes from 10 mm to 100 mm & 1/2” to 4”
- Standards : Conforms to MIL-T-16420K, Type I, Grade 1, ASTM B 466
SERVICES & CERTIFICATES
- Testing Facility Available Chemical Analysis, Mechanical Tests, Ultrasonic test, PMI test , Hydrostatic test, Radiography test, Corrosion test, Metallography Test, & Miscellaneous test
- Test Certificates : Manufacturer Test Certificates as per EN 10204 type 3.1 & 3.2 as well as NABL lab test reports