Copper Nickel Pipe CuNi 90 10 and CuNi 70 30 alloys designed for seawater piping heat exchangers and offshore oil and gas platforms

1. Product Description Copper-nickel pipes are seamless or welded tubular products made from copper-nickel alloys (typically CuNi 90/10 or CuNi 70/30), known for their excellent corrosion resistance and thermal conductivity. 2. Key Parameters Common Alloys: CuNi 90/10 (UNS C70600) and CuNi 70/30 (UNS C71500) Size Range: Outer diameter 6–610 mm; wall thickness 0.5–20 mm Operating Temperature: –200°C to +350°C Density: ~8.9 g/cm³ Thermal Conductivity: ~29–45 W/(m·K) 3.