Finned tube
DLSS Save Your Time & Cost
What Makes Our Finned tubesStand Out for you?
Boost heat transfer efficiency by over 30% with our high-frequency welded finned tubes.
Custom fin designs available — spiral, serrated, L-type, and more.
Competitive pricing with high value – A cost-effective solution without compromising on quality or performance.
Flexible customization – Can be tailored in terms of fin type, material, tube diameter, and other specifications.
DLSS Finned tube
Product Cases
ASTM B111 / ASME SB111 Copper
ASTM B111 / ASME SB111 copper alloy U-bending seamless tube, 100% Eddy Current Tested and bright annealed. Ideal for heat exchangers, condensers, power plants, desalination, and marine cooling systems.
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ASTM A358 CL1 TP321/TP321H Welded Pipe
ASTM A358 CL1 TP321/TP321H stainless steel welded pipe, 355.6×6.35×5970MM, pickled surface, 100% RT. Ideal for boilers, heat exchangers, petrochemical and refinery piping systems.
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ASME SA213 TP904L Seamless Tube 57×2.0MW×1700MM
ASME SA213 TP904L seamless tube, 57×2.0×1700MM, bright annealed surface, 100% HT + 100% ET, delivered in 20 days. High corrosion resistance for chemical, marine, and oil & gas applications.
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ASTM B729 Alloy 20 (UNS N08020)
ASTM B729 Alloy 20 (UNS N08020) seamless pipe, size 88.9×4.0×6000 mm, exported to Saudi Arabia. Excellent sulfuric acid and chloride resistance. Ideal for petrochemical, refinery, and offshore projects.
Read MoreDifferentiated Services: Precisely Meeting Your Business Needs
for Stockists
for Heat exchanger manufacturers
for Traders
Fast Delivery
Efficient production and on-time delivery for your orders
Multiple Product Options
A wide range of Finned tubes to meet various project needs
Small Batch Logo Customization
Custom logos for small batch orders, enhancing your brand identity
Regional Pricing & Protection
Exclusive regional rights and strategic pricing to strengthen your market position
Cost-Effective Products
High-quality products at competitive prices to boost your margins
Flexible MOQ
Adaptable minimum order quantities to fit your business requirements
One-Stop Marketing Solutions
Boost your online image with a complete suite of product marketing visuals and videos
Fastest 7-Day Production Process
Delivery can be made within a minimum of 7 days based on your order size
Continuously upgraded packaging
We offer continuously upgraded packaging to ensure maximum protection and efficiency.
Are You Struggling With These Typical Finned tube Problems?
Frustrated by poor quality and inconsistent dimensions?
DLSS ensures consistent dimensions and quality by strictly controlling tube accuracy and conducting 100% inspections, preventing time and resource wastage.
Annoyed by cracks, porosity, and defects?
DLSS enforces strict quality control, with all products undergoing non-destructive testing to ensure defect-free and safe tubes, protecting the customer experience.
Frustrated by delayed deliveries?
DLSS has efficient production and supply chain management to ensure on-time delivery, even urgent orders can be completed on time, helping customers to advance their projects on time.
DLSS’s Core Principle: Never Leaving Problems For Clients
DLSS Partners
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an Engineer, Procurement Specialist, or Manufacturer?
Special for Broker
If you have connections with professionals in the heat exchanger, boiler, or industrial manufacturing industries.
We invite you to become a valuable partner with DLSS.
Company News
3 Essential Heat Exchanger Design Guides
In industries such as oil and gas, power generation, chemical processing, and HVAC, heat exchangers play a critical role in transferring energy efficiently. Whether you’re designing a new system or optimizing an existing one, understanding the fundamentals of heat exchanger design is vital for thermal engineers. This article introduces three essential technical guides that every […]
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Global Heat Exchanger Tube Standards Explained:
Introduction In the international heat exchanger industry, buyers and engineers frequently encounter various regional and international standards. The most commonly used include: Understanding the similarities and differences between these standards is essential when sourcing or specifying stainless steel seamless tubes, particularly for high-pressure, thermal, or corrosive environments. This article provides a clear comparison to help […]
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Guía para Seleccionar Tuberías de Acero
Meta descripción:¿Necesita tuberías confiables para calentadores, intercambiadores o calderas en refinerías latinoamericanas? Descubra qué materiales ofrecen la mejor resistencia a la corrosión y al calor para aplicaciones críticas. Introducción En América del Sur, países como Argentina, Brasil, Chile y Perú están modernizando sus refinerías para cumplir con nuevas demandas energéticas y ambientales.Estos proyectos requieren tuberías […]
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Stainless Steel Tubes for Hydrogen Production
Hydrogen production systems need reliable tubing and piping materials. In electrolysis plants, hydrogen generators, balance-of-plant systems, cooling loops, gas-water separation units, purification systems, compressors, and hydrogen skids, tubes may be exposed to high-purity water, oxygen, hydrogen, alkaline electrolyte, acidic environments, pressure, temperature changes, and strict cleanliness requirements. Stainless steel tubes are widely used in hydrogen […]
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