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ASME SB171 C71500 Copper Nickel "70/30" Tubesheet
ASME SB171 C71500 Copper Nickel "70/30" Tubesheet refers to a specific type of tubesheet made from a copper-nickel alloy known as C71500. This alloy is composed of 70% copper and 30% nickel, hence the "70/30" designation.
Copper-nickel alloys are known for their excellent corrosion resistance, high strength, and good thermal conductivity. They are commonly used in various industries, including marine, oil and gas, chemical processing, and power generation.
The ASME SB171 specification sets the standards for the manufacture of tubesheets made from copper-nickel alloys. It provides guidelines for the chemical composition, mechanical properties, dimensions, tolerances, and testing requirements of the tubesheet.
Tubesheets are used in heat exchangers, condensers, and other types of pressure vessels to support and hold the tubes in place. They provide a seal between the tubes and the shell, ensuring efficient heat transfer and preventing leakage.
Overall, ASME SB171 C71500 Copper Nickel "70/30" Tubesheets are a reliable and widely used choice in various industrial applications where corrosion resistance and high strength are required.
chemical composition of UNS C71500
| Element | Content (%) |
| Nickel, Ni | 29-33 |
| Manganese, Mn | 1 |
| Zinc, Zn | 1 |
| Iron, Fe | 0.40-1 |
| Lead, Pb | 0.05 |
| Copper, Cu | Remainder |
Some of the applications of these tubesheets include:
1. Heat exchangers: Copper nickel tubesheets are widely used in heat exchangers for seawater cooling and condensing applications. The corrosion resistance of C71500 makes it suitable for handling corrosive seawater environments, making it an ideal choice for marine applications.
2. Power generation: Copper nickel tubesheets are used in power plants for heat exchangers, condensers, and boilers. The high thermal conductivity of copper nickel allows for efficient heat transfer, making it suitable for power generation applications.
3. Desalination plants: Copper nickel tubesheets are used in desalination plants for heat exchangers and condensers. The corrosion resistance of C71500 allows for the handling of brackish and seawater, making it suitable for desalination processes.
4. Oil and gas industry: Copper nickel tubesheets are used in offshore and onshore oil and gas applications, such as heat exchangers, condensers, and piping systems. The corrosion resistance of C71500 makes it suitable for handling corrosive environments encountered in oil and gas production.
5. Chemical processing: Copper nickel tubesheets are used in chemical processing industries for heat exchangers, condensers, and reactors. The corrosion resistance of C71500 allows for the handling of various corrosive chemicals, making it suitable for chemical processing applications.
6. Shipbuilding: Copper nickel tubesheets are extensively used in shipbuilding for seawater cooling systems, heat exchangers, and piping systems. The corrosion resistance and anti-fouling properties of C71500 make it suitable for marine applications.
