Biofouling-Resistant ASME SB171 C71500 Tube Sheet, UT Tested for Desalination Condensers
Biofouling-Resistant ASME SB171 C71500 Tube Sheet, UT Tested for Desalination Condensers
Yuhong Holding Group Co., Ltd. is a leading provider of professional industrial equipment for engineering companies, specializing in heat exchangers, fired heaters, and air coolers. With a commitment to quality and innovation, we deliver high-performance products designed to meet the diverse needs of various industries.
Chemical Composition of ASME SB171 C71500 Tube Sheet
C71500 is a copper-nickel alloy renowned for its excellent corrosion resistance, particularly in marine environments. The chemical composition of C71500 is as follows:
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 70.0 - 90.0 |
| Nickel (Ni) | 10.0 - 30.0 |
| Iron (Fe) | 0.5 max |
| Manganese (Mn) | 1.0 max |
| Zinc (Zn) | 0.5 max |
Mechanical Properties of ASME SB171 C71500 Tube Sheet
The mechanical properties of C71500 contribute to its suitability for a variety of applications in heat exchangers. Key properties include:
| Property | Value |
|---|---|
| Yield Strength | 220 MPa |
| Tensile Strength | 450 MPa |
| Elongation | 30% |
| Hardness | 70 HRB |
| Operating Temperature | Up to 300 °C |
Common Materials for Tubesheets
Tubesheets can be made from various materials, each with unique properties. Common materials include:
| Material | Description |
|---|---|
| C71500 | Copper-nickel alloy with excellent corrosion resistance |
| C70600 | Another copper-nickel alloy, often used in seawater applications |
| Stainless Steel | Commonly used for its strength and corrosion resistance |
Testing Methods for Tubesheets
To ensure the integrity and reliability of the tubesheets, various testing methods are employed:
- Ultrasonic Testing (UT): Used to detect internal flaws and ensure material integrity.
- Penetrant Testing (PT): A non-destructive test to identify surface defects.
- Hydrostatic Testing: Tests the strength of the tubesheet under pressure, ensuring it can withstand operational conditions.
Functions of ASME SB171 C71500 Tube Sheet in Different Positions
Tubesheets serve several critical functions in heat exchangers, depending on their location:
| Position | Function |
|---|---|
| Front Tubesheet | Acts as the primary support for the tubes and facilitates fluid entry |
| Rear Tubesheet | Supports the opposite end of the tubes and allows fluid exit |
| Intermediate Tubesheets | Used in multi-pass exchangers to direct flow between passes |
Applications
The SB171 C71500 tubesheet with a diameter of 1406.5mm is primarily used in heat exchangers, with applications including:
- Marine Heat Exchangers: Ideal for cooling and heating in shipbuilding and offshore platforms.
- Chemical Processing: Employed in chemical plants where corrosion resistance is crucial.
- Power Generation: Used in cooling systems for power plants, enhancing thermal efficiency.
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