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YUHONG 12X18H12T Steel Tube High Temp Corrosion

Studded Tube
December 24, 2025
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Brief: Curious about how this performs in practice? Join us for a hands-on look at the ASTM A334 Gr.1 Low-Finned Tube, designed for low-temperature service in the natural gas industry. In this video, we'll demonstrate its application in critical processes like natural gas liquefaction pre-cooling, BOG treatment systems, and LNG storage tank insulation, showcasing its enhanced heat transfer efficiency and frost resistance in real-world scenarios.
Related Product Features:
  • Manufactured to ASTM A334 specifications for reliable service down to -45°C, ideal for low-temperature natural gas applications.
  • Features a low-finned structure that significantly increases heat transfer area, improving efficiency in space-constrained LNG facilities.
  • Provides excellent frost resistance, reducing frost formation on heat exchange surfaces and extending maintenance cycles.
  • Assures welding reliability with controlled chemical composition and moderate carbon equivalent, minimizing leakage risks.
  • Achieves a minimum Charpy impact energy of 18J at -45°C, effectively preventing brittle fracture in low-temperature operations.
  • Offers high ductility with ≥30% elongation, ensuring excellent fin forming quality and performance under pressure fluctuations.
  • Compatible with ASME B31.3 standards, accommodating complex on-site welding conditions and temperature cycling.
  • Optimized for BOG treatment systems, natural gas precooling, and LNG storage tank insulation with fine-grained structure for stability.
FAQs:
  • What is the minimum service temperature for ASTM A334 Gr.1 Low-Finned Tubes?
    ASTM A334 Gr.1 Low-Finned Tubes are designed for service down to -45°C, making them suitable for critical low-temperature applications in the natural gas industry, such as LNG liquefaction and BOG treatment systems.
  • How do the low-finned tubes enhance heat transfer efficiency?
    The low-finned structure significantly increases the heat transfer area, while the material's high ductility (≥30% elongation) ensures excellent fin forming quality. This design enables efficient heat exchange in space-constrained LNG facilities, reducing equipment footprint and improving handling efficiency for processes like boil-off gas (BOG) treatment.
  • What are the key advantages of using these tubes in LNG storage tank insulation systems?
    In LNG storage tank insulation systems, these tubes provide safety margins through impact energy requirements and a fine-grained structure, ensuring reliable operation around -45°C. They are used in interlayer nitrogen circulation cooling systems, with optimized frost resistance and welding reliability to withstand frequent temperature cycling and prevent long-term embrittlement.
  • Why is the welding reliability of these tubes important for natural gas applications?
    Welding reliability is crucial to reduce leakage risks at critical connection points in natural gas operations. The controlled chemical composition and moderate carbon equivalent of ASTM A334 Gr.1 Low-Finned Tubes ensure excellent weldability, accommodating complex on-site conditions and maintaining integrity under low-temperature stress.
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