Product Specification

High-Efficiency ASTM A179 Integral Low Fin Tube for Heat Exchangers

1. Detailed Introduction of ASTM A179 Low Fin Tube

The ASTM A179 Low Fin Tube is a highly efficient heat transfer component specifically designed for shell and tube heat exchangers, condensers, and chillers. By utilizing high-quality ASTM A179 cold-drawn seamless carbon steel as the base material, these tubes undergo a precise cold-rolling process to form continuous fins on the outer surface.

Compared to bare tubes, the integral low fin design increases the external surface area by 2.5 to 3 times, significantly enhancing the thermal efficiency of the equipment while maintaining the same overall dimensions. This makes our ASTM A179 low finned tubes the perfect solution for upgrading existing heat exchangers or designing compact, high-performance thermal systems.

2. Tube Structure and Manufacturing Process of ASTM A179 Finned Tube

Understanding the structure and forming process is crucial for engineers calculating thermal performance.

• The Base Tube (ASTM A179): We use premium ASTM A179 (ASME SA179) seamless carbon steel tubes. This material is globally recognized for its excellent ductility, thermal conductivity, and suitability for tubular heat exchangers.

• The Integral Extrusion Process (Zero Thermal Contact Resistance): Unlike traditional embedded or welded fins (such as G-fins), our low fin tubes feature an Integral Cold-Rolling Process. The fins are directly extruded from the wall of the ASTM A179 base tube. This means the fin and the base tube are one continuous piece of metal.

3. Chemical Composition of ASTM A179 Base Tube

To guarantee the highest quality and compliance with international standards, the raw material strictly adheres to the ASTM A179/ASME SA179 specifications. Below is the precise chemical composition of our ASTM A179 carbon steel base tube:

4. Dimensional Tolerance Range of ASTM A179 Low Fin Tube

Precision is our priority. Our manufacturing facility operates under strict QA/QC protocols to ensure every ASTM A179 fin tube fits perfectly into your heat exchanger baffles and tubesheets.

5. Performance Advantages of ASTM A179 Carbon Steel Fin Tube

Why do global engineers choose our ASTM A179 integral low fin tubes?

• Maximized Heat Transfer: Increases the heat transfer surface area up to 300% without increasing the equipment size.

• Cost-Effective Design: Allows for smaller heat exchanger designs, saving costs on shells, tubesheets, and supporting structures.

• High Mechanical Strength: The cold-rolling process actually work-hardens the fins, making the ASTM A179 finned surface highly resistant to mechanical damage during installation or cleaning.

• Anti-Fouling Properties: The smooth integral fin profile reduces fouling buildup and ensures smooth fluid dynamics across the tube bundle.

6. Detailed Application Fields for ASTM A179 Finned Tubes

Due to the reliable carbon steel material and enhanced surface area, the ASTM A179 low fin tube is widely specified across multiple heavy industries:

• Petroleum & Chemical Refining: Shell and tube heat exchangers, oil coolers, and overhead condensers.

• HVAC & Refrigeration: Evaporators, chillers, and industrial air conditioning systems (especially utilizing refrigerants like Freon or Ammonia).

• Power Generation: Steam condensers and feed water heaters in thermal power plants.

• Marine & Offshore: Lube oil coolers and marine engine cooling systems.

7. Our Advantages and Manufacturing Experience with ASTM A179 Tubes

As a leading manufacturer and exporter of heat exchanger tubes, we bring decades of industrial expertise to your supply chain:

• Extensive Manufacturing Experience: We have been processing and exporting ASTM A179 seamless fin tubes for over 15 years, serving EPC contractors and heat exchanger fabricators in over 40 countries.

• 100% Quality Assurance (NDT): Every single ASTM A179 fin tube undergoes rigorous Eddy Current Testing (ECT) and Hydrostatic Testing before packing to guarantee zero leakage.

• Custom Engineering: Whether you need specific Unfinned Ends (plain ends for tubesheet expansion) or a unique Fin Per Inch (FPI) density, our technical team works directly with your CAD drawings.

• Robust Export Packaging: Tubes are safely packed in fumigated wooden boxes, separated by plastic frames, and wrapped in moisture-proof paper with desiccant to ensure rust-free delivery across the ocean.

Ready to upgrade your heat exchanger efficiency? Contact our engineering sales team today for a quick quote and technical support on your ASTM A179 Low Fin Tube requirements!