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ASTM A179 Pipe

ASTM A179 is a standard specification established by ASTM International (formerly known as the American Society for Testing and Materials) for seamless cold-drawn low carbon steel heat-exchanger and condenser tubes. The specification is primarily aimed at providing requirements for tubes that are used in heat exchangers, condensers, and similar applications.



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Key Characteristics of ASTM A179 Pipe

  1. 1.Material Composition:
  2. - ASTM A179 pipes are made primarily from low carbon steel, with a carbon content typically less than 0.08%. This low carbon content contributes to good weldability and ductility.
  3. 2. Mechanical Properties:
  4. - The pipes exhibit good mechanical properties, including:
  5. - Tensile strength: Minimum 55,000 psi
  6. - Yield strength: Minimum 30,000 psi
  7. - Elongation: Minimum of 30% in 8 inches
  8. 3. Manufacturing Process:
  9. - The pipes are produced through a seamless process, meaning they do not have a welded seam. The cold-drawing process gives the pipe higher strength and improved surface finish.
  10. 4. Dimensions:
  11. - The pipe is available in various sizes and wall thicknesses. It typically ranges from 1/2 inch to 4 inches in nominal diameter, though sizes may vary based on application requirements.
  12. 5. Finishes:
  13. - ASTM A179 pipes can be supplied in various finishes, including:
  14. - Bright annealed - Oiled - Pickled (to remove scale) 
  15.  
  16. Applications of ASTM A179 Pipe
  17. 1. Heat Exchangers:
  18. - Commonly used in heat exchangers where efficient heat transfer is required between fluids.
  19. 2. Condensers:
  20. - Suitable for condenser applications in power plants, refrigeration systems, and HVAC systems.
  21. 3. Cooling Systems:
  22. - Frequently utilized in cooling systems for various industrial applications.
  23. 4. Chemical Processing:
  24. - Applies to systems that involve the transfer of chemicals at controlled temperatures.
  25. 5. Oil and Gas Industries:
  26. - Used in pipelines for fluid transportation where thermal conductivity and durability are critical. 
  27.  
  28. Advantages of ASTM A179 Pipe
  29. 1. High Strength:
  30. - The seamless design combined with cold-drawn manufacturing provides excellent strength-to-weight ratio.
  31. 2. Good Thermal Conductivity:
  32. - Provides effective heat transfer, making it suitable for use in heat exchangers and similar applications.
  33. 3. Corrosion Resistance:
  34. - While carbon steel is prone to corrosion, ASTM A179 pipes can be coated or treated to enhance their corrosion resistance.
  35. 4. Uniform Wall Thickness:
  36. - Cold drawing ensures a uniform wall thickness, which helps in maintaining consistent pressure ratings. 
  37.  
  38. Considerations for ASTM A179 Pipe
  39. 1. Corrosion Protection:
  40. - Depending on the operating environment, it may be necessary to apply protective coatings or use corrosion-resistant alloys.
  41. 2. Welding:
  42. - While ASTM A179 is weldable, it is important to follow proper welding procedures to avoid adverse effects on the strength and corrosion resistance of the welds.
  43. 3. Standards Compliance:
  44. - Ensure that all installations meet local codes and standards, relevant to the intended application.
  45. 4. Inspection:
  46. - Regular inspection for signs of corrosion, wear, and mechanical damage is essential for ensuring the longevity of the pipes. 
  47.  
  48. Wniosek ASTM A179 pipes are a reliable choice for a variety of applications involving heat exchange and fluid transport. Their mechanical properties, combined with a seamless design, make them particularly suited for high-performance applications in demanding industrial environments. If you have specific questions or need further details regarding ASTM A179 pipes in relation to a particular project or application, feel free to ask!

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