Seamless Copper-Nickel 90-10 Tubing

This specification defines the requirements and test methods for seamless copper-nickel 90-10 tubes used primarily in marine and industrial heat exchanger applications. It establishes strict criteria for material composition, ensuring the alloy maintains the precise ratio of copper to nickel to guarantee optimal corrosion resistance and mechanical strength in saline environments. The document outlines dimensional tolerances for both outer diameter and wall thickness, providing manufacturers with clear guidelines to produce tubes that meet consistent performance standards. It also details the necessary testing procedures, including hydrostatic tests, flaring tests, and metallurgical analysis, to verify the integrity and quality of the finished product. Compliance with these guidelines ensures that the tubes are suitable for demanding operational conditions where reliability is critical. The scope covers the manufacturing processes and quality control measures required to produce seamless tubes that adhere to the specified metallurgical and dimensional properties, facilitating their integration into various engineering systems without compromising safety or efficiency.