ASTM B466 C70600 Copper-Nickel 90-10 Tee Fitting - Seamless Wrought Alloy For Marine Corrosive Service Piping Systems
ASTM B466 C70600 Copper-Nickel 90-10 Tee Fitting - Seamless Wrought Alloy for Marine & Corrosive Service Piping Systems
YUHONG Group, with over 35 years of industrial expertise and a global supply network serving 85 countries, specializes in high-performance non-ferrous alloy piping components. Our ASTM B466 C70600 Copper-Nickel Tees are manufactured from seamless wrought 90-10 Cu-Ni alloy, ensuring superior corrosion resistance and reliability in marine, power generation, and chemical processing applications. We guarantee full compliance with international standards, rigorous quality control, and complete traceability for all our products.
Chemical Composition Requirements (C70600)
| Element | Composition (%) |
| Copper (Cu) + Silver (Ag) | Remainder |
| Nickel (Ni) + Cobalt (Co) | 9.0 - 11.0 |
| Iron (Fe) | 1.0 - 1.8 |
| Manganese (Mn) | 1.0 max |
| Lead (Pb), max | 0.05 |
| Zinc (Zn), max | 1 |
Mechanical Properties (C70600 - O60 Annealed Condition)
| Property | Requirement |
| Tensile Strength, min | 38 ksi (260 MPa) |
| Yield Strength (0.5% extension), min | 13 ksi (90 MPa) |
| Rockwell Hardness (30T), max | 45 HRB |
Standard Nondestructive Test Requirements
| Test Type | Requirement |
| Eddy Current Test | Mandatory for tubes ≤3.125" OD; notch depth standard = 22% of wall thickness |
| Hydrostatic Test | Alternative for tubes >1.25" OD; max pressure 1000 psi (7 MPa) unless specified |
| Pneumatic Test | Optional for small diameters; min 60 psig (415 kPa) for 5 seconds |
Key Product Advantages
- Superior Sea Water Corrosion Resistance: The 90-10 copper-nickel composition (C70600) provides exceptional resistance to saltwater corrosion, biofouling, and erosion, making it ideal for marine and offshore applications.
- Excellent Fabricability and Weldability: The annealed (O60) temper offers good ductility and ease of welding, allowing for straightforward installation and modification in piping systems.
- Proven Performance in Critical Systems: Widely used in condensers, heat exchangers, and marine piping where reliability and longevity in corrosive environments are essential.
- Full Compliance with International Standards: Manufactured to ASTM B466 requirements, ensuring material consistency, dimensional accuracy, and performance reliability.
- Cost-Effective Solution for Corrosive Services: Provides a balance of performance and economy compared to higher-nickel alloys, offering long-term value in demanding applications.
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