ASTM B467 Welded Copper-Nickel Pipe

  • Grade: UNS C70600, UNS C71500
  • Outside Diameter (OD) : 73-761mm
  • Wall Thickness (WT): 2.11-11.5mm
  • Length: 6000-12000mm
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Features

ASTM B467 Welded Copper-Nickel Pipe

Chemical Composition (wt.%) of ASTM B467 Welded Copper-Nickel Pipe

Alloy Copper (Cu) Nickel (Ni) Lead (Pb) max Iron (Fe) Zinc (Zn) max Manganese (Mn) max Sulfur (S) max Phosphorus (P) max
C70600 Remainder 9.0–11.0 0.05 1.0–1.8 1 1 0.02 0.02
C71500 Remainder 29.0–33.0 0.05 0.40–1.0 1 1 0.02 0.02

Mechanical Properties of ASTM B467 Welded Copper-Nickel Pipe

Annealed Temper (WO61)
Alloy Outside Diameter (in) Tensile Strength (min ksi) Yield Strength at 0.5% Extension Under Load (min ksi) Elongation in 2 in. (min %)
C70600 up to 4.5 40 15 25
over 4.5 38 13 25
C71500 up to 4.5 50 20 30
over 4.5 45 15 30
Drawn Tempers
Alloy Outside Diameter (in) Wall Thickness (in) Tensile Strength (min ksi) Yield Strength at 0.5% Extension Under Load (min ksi) Elongation in 2 in. (min %)
C71500 up to 2 (for specific wall thicknesses) Specified in the document 72 50 12.0 (for up to 0.048 in wall thickness) / 15.0 (for over 0.048 in)
As-Welded Pipe
Alloy Condition Outside Diameter (in) Tensile Strength (min ksi) Yield Strength at 0.5% Extension Under Load (min ksi) Notes
C70600 welded from annealed strip up to 4.5 45 30
welded from cold-rolled strip up to 4.5 54 45

Technical Specifications

Specification Value
Standard ASTM B467 Welded Copper-Nickel Pipe
Grade UNS C70600 (CuNi90-10, CuNi10Fe1Mn, W.Nr 2.0872, EN CW352H)

UNS C71500 (CuNi70-30, CuNi30Fe1Mn, W.Nr 2.0882, EN CW354H)
Manufacturing Process Arc-welded
Seam Type Welded
Welded Pipe SPS Diameters Outside Diameter (OD): NPS 4″ -48″ (73-761mm)

Wall Thickness (WT): 2.11-11.5mm
Length 6000-12000mm
Delivery Condition As-welded, Welded and Annealed, Welded and Cold Drawn, Fully Finished
Inspection Certificate EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection)
 Test Chemical analysis ASTM E255, Tensile test ASTM E8/E8M, NDE Test ASTM E243
Packing

Both ends are bevelled to an angle of 30°+5°/0°, and equipped with plastic pipe caps or bevel protectors, small-diameter pipes are packaged in wooden crates, and large-diameter pipes are wrapped in woven bags.

Features
  • ASTM B467 welded copper-nickel pipe for general engineering and marine service.
  • Available in UNS C70600 and UNS C71500 grades.
  • Excellent resistance to seawater corrosion and salt-laden atmospheres.
  • Good resistance to biofouling, making it suitable for marine cooling-water systems.
  • Arc-welded construction with reliable strength and leak-resistant performance.
  • Suitable for large-diameter piping in offshore and shipboard systems.
  • Can be supplied in annealed, welded and annealed, welded and cold drawn, or fully finished conditions.
  • Supports hydrostatic, chemical, tensile, and nondestructive testing requirements.
  • Available with beveled ends and protective caps for safer handling and field installation.
  • Suitable for long-service piping where corrosion resistance and thermal performance are important.
Applications
  • Shipbuilding and ship repair piping systems.
  • Offshore platforms and marine engineering projects.
  • Seawater intake, discharge, and circulation pipelines.
  • Desalination plants and brackish water systems.
  • Heat exchangers and condensers using seawater cooling.
  • Seawater fire-fighting and sprinkler systems.
  • Coastal industrial cooling-water systems.
  • Oil and gas offshore utility piping where seawater resistance is required.
  • Power plant condenser and cooling circuits.
  • Other marine or salt-exposed piping systems requiring corrosion resistance and long service life.

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