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Lord Fin Tube-ASTM B404 aluminum alloy tubes with integral fins

Whats about standard ASTM B404/B404M

ASTM B404/B404M is a standard specification published by ASTM International. It outlines the requirements for aluminum and aluminum-alloy seamless condenser and heat-exchanger tubes with integral fins. These tubes are commonly used in various heat transfer applications.

Here are some key aspects covered by the ASTM B404/B404M standard:

1. Scope: The standard defines the scope of the specification, which includes the materials, dimensions, tolerances, and other requirements for aluminum and aluminum-alloy seamless condenser and heat-exchanger tubes with integral fins.

2. Materials: The standard specifies the applicable aluminum and aluminum-alloy materials that can be used to manufacture the tubes, along with their chemical composition requirements.

3. Tube Dimensions: ASTM B404/B404M provides details on the required dimensions, including the outer diameter, wall thickness, and length of the tubes. It also specifies the acceptable tolerances for these dimensions.

4. Fin Design and Dimensions: The standard covers the design and dimensions of the integral fins, which are an integral part of the tubes. This includes parameters such as fin height, fin thickness, and fin spacing.

5. Mechanical Properties: ASTM B404/B404M defines the mechanical properties that the tubes must meet, including requirements for tensile strength, yield strength, and elongation.

6. Tests and Inspection: The standard outlines the various tests and inspection methods to be performed on the tubes to ensure they meet the specified requirements. This may include tests such as tension testing, flattening testing, and hydrostatic testing.

7. Marking and Packaging: ASTM B404/B404M specifies the marking requirements for the tubes, including information such as material designation, manufacturers name or logo, and heat number. It also provides guidelines for packaging the tubes to ensure safe transportation and storage.

Please note that the information provided here is a general overview of the standard and may not include all the specific details and requirements contained within ASTM B404/B404M. For comprehensive and up-to-date information, it is recommended to obtain a copy of the standard from ASTM International or other authorized sources.

Aluminum tubes with integral fins

Aluminum tubes with integral fins

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