ASTM B111 C70600 Seamless Condenser Tube - 90-10 Copper-Nickel Alloy for Marine Heat Exchangers & Condensers
ASTM B111 C70600 Seamless Condenser Tube - 90-10 Copper-Nickel Alloy for Marine Heat Exchangers & Condensers
YUHONG Group, with over 35 years of industrial expertise and a global presence spanning 85 countries, specializes in manufacturing high-performance copper alloy tubing for critical marine and industrial applications. Our ASTM B111 C70600 Copper-Nickel Seamless Tubes are engineered to deliver exceptional corrosion resistance and reliability in seawater environments, making them ideal for heat exchangers, condensers, and other marine thermal systems. We maintain strict adherence to international standards and provide comprehensive certification to ensure product quality and performance for our clients worldwide.
Chemical Composition Requirements
| Element | Composition (%) |
| Copper (Cu) | Remainder |
| Nickel (Ni) | 9.0 - 11.0 |
| Iron (Fe) | 1.0 - 1.8 |
| Manganese (Mn) | 1.0 max |
| Lead (Pb) | 0.05 max |
| Zinc (Zn) | 1.0 max |
Mechanical Properties (Annealed O61 Condition)
| Property | Requirement |
| Tensile Strength, min | 275 MPa (40,000 psi) |
| Yield Strength, min | 105 MPa (15,000 psi) |
| Elongation in 2 in., min | 30% |
Standard Test Requirements
| Test Type | Standard Requirement |
| Expansion Test | 30% of outside diameter |
| Hydrostatic Test | Required for each tube |
| Eddy Current Test | Mandatory non-destructive test |
| Grain Size | 0.010-0.045 mm (annealed temper) |
Key Product Advantages
- Superior Sea Water Corrosion Resistance: The 90-10 copper-nickel composition provides excellent resistance to corrosion in sea water and marine environments, offering reliable performance in condensers and heat exchangers.
- Good Biofouling Resistance: Naturally resistant to marine biofouling, reducing maintenance requirements and improving operational efficiency in marine applications.
- Excellent Mechanical Properties: Combines good strength with ductility, allowing for easy forming and installation while maintaining structural integrity under pressure.
- Proven Reliability in Marine Applications: Widely used and accepted in marine engineering for condensers, heat exchangers, and other critical seawater handling systems.
- Full Compliance with International Standards: Manufactured in strict accordance with ASTM B111 requirements, ensuring consistent quality and performance.
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