| Standard: | ASTM B111/ASME SB111 | Material: | C68700/CuZn20Al2/CZ110 |
|---|---|---|---|
| Type Of Tube: | U-bend/Straight Seamless Tube | Length: | 6m Or Specified Length As Required |
| Application: | Heat Exhcanger， Condenser | Delivery Condition: | O61， Annealed |
| Test: | Eddy Current Test， Hydrostatic Test， Ultrasonic Test， Hardness Test， … | Packing: | Plywood Case |
ASTM B111/ASME SB111 C68700/CuZn20Al2/CZ110 ALUMINUM BRASS SEAMLESS TUBE FOR CONDENSER
Overview:
C68700 seamless tube， also known as Aluminum Brass seamless tube， is a type of tubing that is widely used in various industries for its exceptional properties. It is a seamless tube made of an alloy consisting of copper and aluminum， with trace amounts of other elements.
C68700 seamless tube is known for its high corrosion resistance， making it suitable for applications in marine environments and oil and gas industries. The addition of aluminum in the alloy enhances its strength and durability， while copper provides excellent heat transfer properties.
This seamless tube is also valued for its excellent resistance to erosion， stress corrosion cracking， and pitting， making it an ideal choice for applications that involve exposure to harsh environments and corrosive substances.
The C68700 seamless tube is available in various sizes and dimensions， allowing it to be used in a wide range of applications. It is commonly used in heat exchangers， condensers， evaporators， and other components of industrial and commercial systems that require efficient heat transfer.
Specification:
| Specifications | ASTM B111 & Its equivalent ASME， DIN & EN Standard |
| Grades | C68700/CuZn20Al2/CZ110 |
| Type | U-bend & Straight seamless tube |
| Outside Diameter | 6.35mm to 25.4mm or as required |
| Wall Thickness | 0.508mm to 3.4mm or as required |
| Length | Upto 6 meters， custom cut lengths |
| Delivery Condition | O61， Annealed |
| Ends | Plain End |
| Other Testing | Product Analysis， Eddy Current Test， Hydrostatic Test， Ultrasonic Test， Flattening Test， Hardness Test， Tensile Test etc. |
| Dimension | All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Packing | Plywood case |
Chemical Composition:
| Grade | Cu | Al | Pb | Fe | Zn | As |
| C68700 | 76.0-79.0 | 1.8-2.5 | 0.07 max. | 0.06 max. | Remainder | 0.02-0.06 |
Mechanical Properties:
| Grade | Tensile Strength， min， ksi (MPa) | Yield Strength， min， ksi (MPa) | Expansion of Tube Outside Diameter， % |
| C68700 | 50(345) | 18(125) | 20 |
Applications:
C68700 is a type of copper-nickel alloy that is often used in various applications due to its excellent corrosion resistance， high strength， and good thermal conductivity. One common application of C68700 seamless tubes is in heat exchangers.
Heat exchangers are devices that transfer heat between two or more fluids， typically to achieve energy efficiency or to cool or heat a process. C68700 seamless tubes are ideal for heat exchangers because of their high thermal conductivity. This means that heat can be efficiently transferred between the fluids， resulting in improved performance and energy savings.
In addition to heat exchangers， C68700 seamless tubes can also be used in various other applications， including:
1. Condensers: C68700 seamless tubes are commonly used in condensers due to their excellent corrosion resistance. They can withstand harsh environments， such as saltwater conditions， making them ideal for marine applications.
2. Power plants: C68700 seamless tubes are used in power plants for heat transfer applications. They can be found in boilers， steam generators， and cooling systems， where they help efficiently transfer heat and increase the overall efficiency of the power plant.
3. Offshore and marine applications: C68700 seamless tubes are extensively used in offshore and marine applications due to their resistance to seawater corrosion. They are commonly used for heat exchangers， piping systems， and other critical components in oil and gas production platforms， ships， and submarines.
4. Desalination plants: C68700 seamless tubes are used in desalination plants， where seawater is converted into freshwater. These tubes are resistant to corrosion caused by saltwater and can withstand the high temperatures and pressures encountered in desalination processes.
5. Air conditioning and refrigeration: C68700 seamless tubes are used in air conditioning and refrigeration systems to transfer heat between the refrigerant and the surrounding environment. Their high thermal conductivity ensures efficient heat transfer， leading to improved cooling performance.
