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ASTM A179 Seamless Tube for Water Heaters

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February 03, 2026
Category Connection: Cold Drawn Seamless Tube
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Tags:
#cold drawn tubes #cold drawn seamless steel tube #cold drawn seamless tubing
Brief: This video demonstrates the manufacturing process and key features of ASTM A179 Grade C Cold Drawn Seamless Tubes for heat exchangers and water heaters. You'll see how cold drawing creates superior strength, dimensional accuracy, and uniform microstructure while eliminating weld seams. We'll showcase the tube's application in heat transfer equipment and explain the factory testing procedures that ensure reliability under high pressure and temperature conditions.
Related Product Features:
  • Cold drawing process creates work hardening for enhanced strength, hardness, and fatigue resistance.
  • Achieves high dimensional accuracy with extremely small tolerances for wall thickness and outer diameter.
  • Features smooth inner and outer surfaces for optimal performance in heat transfer applications.
  • Uniform microstructure from cold deformation and heat treatment ensures stable mechanical properties.
  • Seamless construction eliminates weld seams, preventing weak points and improving reliability.
  • Available in various delivery conditions including as-drawn, normalized, annealed, and stress-relieved.
  • Suitable for multiple applications including heat exchangers, boilers, and fluid transportation systems.
  • Complies with international standards including ASTM, DIN, EN, JIS, and GOST specifications.
FAQs:
  • What are the main advantages of cold drawn seamless tubes over welded tubes?
    Cold drawn seamless tubes eliminate weld seams, which removes potential weak points, slag inclusions, and pores. This makes them more reliable for pressure-bearing applications, fatigue resistance, and corrosion resistance compared to welded tubes.
  • What standards does the ASTM A179 Grade C tube comply with?
    These tubes meet or exceed multiple international standards including ASTM A179, DIN 17175, EN 10216, JIS G3462, JIS G3458, and other major specifications for heat exchanger and boiler applications.
  • What testing and quality control measures are performed on these tubes?
    Factory testing includes hydrostatic or nondestructive electric tests, heat treatment verification, surface condition inspection, grain size analysis, and sampling tests such as flattening and flaring to ensure quality and performance standards are met.
  • What are the typical applications for ASTM A179 seamless tubes?
    These tubes are widely used in heat exchangers, condensers, evaporators, boilers, and various heat transfer equipment. They're also suitable for mechanical applications, petrochemical industries, and fluid transportation systems including water, oil, and gas services.
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