Large-Diameter Heavy-Wall Pipes

Large-diameter and extra-large seamless pipes with wall thickness up to 20mm. Engineered for critical seawater piping applications requiring excellent corrosion resistance, anti-biofouling performance, and high mechanical strength.

Specifications

Product TypeOuter Diameter (OD)Wall Thickness (WT)
Large Diameter TubesØ44.5 - 219 mm1.5 - 10 mm
Extra-Large TubesØ219 - 508 mm3 - 20 mm

Materials

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

Conditions

R - As RolledY / Y2 - Half Hard / HardM - AnnealedO60 - Soft Annealed

Applicable Standards

ASTM B466EN 12449DIN 86019JIS H3300GB/T 1527-2017EEMUA 234

Key Advantages

  • Excellent seawater corrosion resistance
  • Strong anti-biofouling performance
  • High mechanical strength & durability
  • Suitable for marine, offshore, FPSO, and desalination systems
  • Custom sizes available upon project requirements
  • 100% inspection available
  • Compliance with DNV and international marine standards

Applications

Marine piping systems
Offshore platforms
FPSO vessels
Desalination plants

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