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Spiral finned tube manufacturing process

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November 15, 2025
Category Connection: Heat Exchanger Tubes
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Tags:
#heat exchanger tubes #carbon steel tube #high carbon steel tube
Brief: Discover the manufacturing process of continuously welded helical finned tubes, designed for boiler economizers. These tubes feature high corrosion resistance, precise dimensions, and durable fin-to-tube bonds, making them ideal for harsh flue-gas environments.
Related Product Features:
  • High corrosion resistance at dew point with ND steel material.
  • Efficient and durable fin-to-tube bond using HFERW technology.
  • Geometric consistency ensures optimal performance in heat exchangers.
  • Available in tube outer diameters from 30-325 mm and custom lengths.
  • Material options include ND steel, carbon steel, and stainless steel.
  • Precise dimensional tolerances: fin height ±1.0 mm, fin pitch +5%/−2%.
  • Straightness tolerance of ≤5 mm per 3 m for finished tubes.
  • Ideal for power-plant economizers, air preheaters, and waste-heat recovery systems.
Faqs:
  • Are you a trading company or manufacturer?
    We are a manufacturer and also handle trading.
  • How long is your delivery time?
    Delivery time is 10-15 days for in-stock items and 30-40 days for out-of-stock items, depending on quantity.
  • Do you provide samples? Is it free or extra?
    Yes, we offer free samples, but the customer must cover the freight cost.
  • What are your payment terms?
    For payments ≤2000 USD, 100% in advance. For payments ≥2000 USD, 30% T/T in advance, with the balance before shipment.
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