This is a seamless 1-inch (25.4 mm OD) heat exchanger tube manufactured from ASTM B111 UNS C70600 (90/10 Cu-Ni) copper alloy, offering excellent corrosion resistance in marine and industrial environments. With a wall thickness of 14 BWG (2.11 mm) and a standard length of 10,000 mm, it is designed for reliable thermal performance in condenser and heat exchanger applications.