Copper Nickel Boiler Seamless Tube ASTM B111 ASME SB111 C71640 CW353H
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:66-30-2-2 Cu-Ni ,C71640, CW353H
Minimum Order Quantity:100KGS
Delivery Time:7DAYS
Payment Terms:L/C, T/T
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Copper Nickel Boiler Seamless Tube ASTM B111 ASME SB111 C71640
CW353H
The material C71640 is a type of copper alloy, specifically categorized under bronze alloys. It is known for its high strength and corrosion resistance, particularly in marine environments.The alloy is sometimes called a nickel bronze because of the substantial nickel content. The material is prized for its durability and is often used in applications where both strength and resistance to corrosion are critical.
Key Properties of C71640 Copper Alloy:
Composition: Typically consists of copper (Cu) with a significant amount of nickel (Ni), and small amounts of other elements such as tin (Sn) and iron (Fe).
Nickel Content: C71640 typically contains around 6% nickel, which gives it enhanced strength and resistance to corrosion, especially in seawater.
Applications: It is commonly used in marine hardware, valves, pump components, and marine engineering due to its excellent corrosion resistance, especially in saltwater environments.
Material Composition:
| Designation | Chemical Composition % | ||||||||
| Cu | Sn | Al | As | Ni | Fe | Mn | Pb max. | Zn | |
| C70400 | Rem | – | – | – | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 | 1.0max |
| C70600 | Rem | – | – | – | 9.0-11.0 | 1.0-1.8 | 1.0max | 0.05 | 1.0max |
| C71500 | Rem | – | – | – | 29.0-33.0 | 0.4-1.0 | 1.0max | 0.05 | 1.0max |
| C71640 | Rem | – | – | – | 29.0-32.0 | 1.7-2.3 | 1.5-2.5 | 0.05 | 1.0max |
Properties:
- Corrosion Resistance: Excellent performance in marine/saline
environments, resisting biofouling and erosion.
- Thermal Conductivity: Suitable for heat exchangers, condensers,
and desalination systems.
- Mechanical Strength: Durable under high-stress conditions, often
cold-worked or annealed for specific applications.
Standards & Applications:
- ASTM/ASME Standards: ASTM B111 (Standard Specification for
Copper-Nickel Alloy Tubes for Condensers and Heat Exchangers).
Common Uses:
- Marine engineering (ship piping, offshore platforms).
- Power plant condensers.
- Desalination and chemical processing equipment.
Copper Nickel Boiler Seamless Tube ASTM B111 ASME SB111 C71640 CW353H
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