Copper Nickel 90/10 Pipe Elbow, ASME B16.9, EEMUA 146, DIN
Sep 15, 2025
Copper-nickel elbows are commonly used fittings in piping systems, primarily designed to change the flow direction of pipelines. Due to the excellent corrosion resistance of copper-nickel alloys, these elbows are particularly suitable for corrosive environments such as seawater desalination, shipbuilding, and chemical industries. Based on different connection methods, copper-nickel elbows can be categorized into types such as socket weld elbows and butt weld elbows.
Specification
Product Name: Copper Nickel 90/10 Pipe Elbow
Type: Seamless, Welded
Standard: ASME B16.9, ANSI B16.9, DIN Standard, EEMUA 146, EEMUA 234
Materials Grade: Copper Nickel 90/10 (UNS C70600), CuNi10Fe1.6Mn, CuNi 90/10, UNS 7060X
Size: 1/2 - 24 Inch, DN15-DN500
Schedule: SCH 10, SCH 40, SCH 80
Pressure rate: 10 Bar, 14 Bar, 16 Bar, 20 Bar
Ends: Plain, Bevelled
Manufacturing Process
Material Selection
High-quality copper-nickel alloy is chosen to ensure corrosion resistance and strength. The alloy's exceptional seawater corrosion resistance makes it ideal for harsh marine environments.
Forging or Casting
The copper-nickel material is shaped into rough elbow forms through forging or casting. Forging enhances metal density and mechanical properties, while casting is suited for complex geometries.
Precision Machining
Post-forming, the elbows undergo fine machining (e.g., turning, milling, drilling) to achieve precise dimensions and tolerances.
Surface Treatment
Additional treatments (e.g., nickel/chrome plating, painting) improve corrosion resistance and aesthetics. Nickel plating enhances durability, while chrome plating provides a polished finish.
Applications
Marine Engineering
Widely used in offshore oil platforms and shipbuilding due to superior seawater corrosion resistance, ensuring long-term pipeline system reliability.
Chemical Industry
Ideal for corrosive media (acids, alkalis, salts), preventing leaks and maintaining operational safety in chemical pipelines.
Food & Beverage
Non-toxic, odorless, and corrosion-resistant properties meet strict hygiene standards, making it suitable for beer, beverage, and food processing lines.
Pharmaceuticals
Smooth surfaces inhibit bacterial growth, aligning with sterile requirements in drug production while resisting chemical degradation.
Building Plumbing
Used in high-purity water supply systems to prevent clogging and corrosion from impurities, extending pipeline lifespan.
