Seamless Copper-Nickel Alloy & Copper Tubes and Pipes

High-precision seamless tubes manufactured through vacuum melting, continuous casting, extrusion, and cold drawing processes. Available in straight lengths up to 25.4m and continuous coil supply, reducing welding points and improving system reliability.

Long-length tubes (up to 25.4m) reduce welding points and improve system reliability.

Specifications

Product TypeOuter DiameterWall Thickness
Precision TubesØ4 - 31.8 mm0.3 - 1.6 mm
Medium TubesØ10 - 76 mm0.5 - 5 mm
Coil TubesØ4 - 18 mmThin-wall

Materials

CuNi 90/10 (C70600)CuNi 70/30 (C71500)Copper (C11000 / C10200)Brass Alloys

Conditions

Y / Y2 - Half Hard / HardM - Annealed

Applicable Standards

ASTM B111EN 12449DIN 86019JIS H3300

Key Advantages

  • Thin-wall precision manufacturing
  • Long-length capability (up to 25.4m)
  • Coil supply for flexible installation
  • Excellent seawater corrosion resistance
  • 100% inspection available
  • NDT: Eddy Current / Ultrasonic / Hydrostatic Testing
  • Compliance with DNV and international marine standards

Applications

Heat exchanger tubes
Condenser tubes
HVAC systems
Marine cooling systems

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