ASTM B466
ASTM B466 Seamless Copper-Nickel Pipe & Tube
ASTM B466 covers seamless copper-nickel pipes and tubes used extensively in heat exchangers, condensers, seawater systems, marine hardware, desalination, and cooling applications. These alloys are known for:
Excellent corrosion resistance
High strength
Superior erosion resistance
Reliable performance in seawater & brine systems
ASTM B466 tubing is manufactured using the seamless process ensuring leak-free service and superior structural integrity.
Key Features
Outstanding resistance to seawater corrosion
High resistance to biofouling, pitting & crevice corrosion
Excellent thermal conductivity
Superior erosion & cavitation resistance
High mechanical strength and long service life
Seamless construction ensures maximum reliability
Ideal for high-pressure & high-temperature applications
| Property | Description |
|---|---|
| Standard | ASTM B466 |
| Product Form | Seamless Copper-Nickel Pipes & Tubes |
| Available Grades | C70600 (90/10 Cu-Ni), C71500 (70/30 Cu-Ni) |
| Manufacturing Process | Seamless, Drawn, Annealed / Light Drawn |
| Outer Diameter (OD) | 6 mm – 219 mm (1/4″ to 8″) |
| Wall Thickness | 0.5 mm – 20 mm |
| Length | Up to 6 meters (Standard) or Custom Lengths |
| Temper | Annealed (O), Light Drawn (H55), Hard Drawn |
| Ends | Plain End, Beveled End, Deburred, U-Bent |
| Testing | Hydrostatic, Eddy Current, PMI, NDT, Dimensional Testing |
| Applications | Heat Exchangers, Marine Piping, Condensers, Cooling Systems |
Standard Size Range
| Parameter | Range |
|---|---|
| Outer Diameter (OD) | 6 mm – 219 mm (1/4″ to 8″) |
| Wall Thickness | 0.5 mm – 20 mm |
| Length | Up to 6 meters (Standard) or Custom |
| Form | Straight, U-Bent, Coil Form |
| Ends | Plain End, Beveled End, Deburred |
Cu-Ni Pipe Sizes
| OD (mm) | OD (inch) | Wall Thickness (mm) |
|---|---|---|
| 12.70 mm | 1/2″ | 1.25 – 2.00 |
| 15.88 mm | 5/8″ | 1.25 – 2.40 |
| 19.05 mm | 3/4″ | 1.25 – 3.00 |
| 25.40 mm | 1″ | 1.50 – 3.50 |
| 31.75 mm | 1 1/4″ | 1.50 – 4.00 |
| 38.10 mm | 1 1/2″ | 1.50 – 5.00 |
| 50.80 mm | 2″ | 2.00 – 6.00 |
| 63.50 mm | 2 1/2″ | 2.50 – 8.00 |
| 76.20 mm | 3″ | 2.50 – 10.00 |
| 101.60 mm | 4″ | 3.00 – 12.00 |
ASTM B466 Grades
- UNS C70400
- UNS C70600 (commonly known as Cu-Ni 90/10)
- UNS C71000
- UNS C71500 (commonly known as Cu-Ni 70/30)
- UNS C71520
- UNS C72200
Manufacturing & Testing
Seamless rolling & drawing
Annealed or light drawn
Hydrostatic test
Eddy current test
NDT as per ASTM B466
100% visual & dimensional inspection
Applications
Marine & Offshore
Industrial & Power
Desalination & Water Treatment
Oil & Gas / Petrochemical