Product Specification

Premium ASTM A192 Carbon Steel Serrated Finned Tubes

Welcome to our product center. As a leading manufacturer and supplier of industrial heat exchange components, we provide high-performance ASTM A192 Carbon Steel Serrated Finned Tubes. Engineered for maximum thermal efficiency and durability, these tubes are the preferred choice for boiler economizers, heat exchangers, and waste heat recovery systems worldwide.

1. Detailed Introduction of ASTM A192 CS Serrated Finned Tubes

The ASTM A192 Carbon Steel Serrated Finned Tube is an advanced heat transfer component designed to maximize surface area and improve fluid turbulence. Unlike solid fins, the serrated (segmented) design cuts the carbon steel fin strip into narrow segments before attaching it to the base tube. This unique geometry breaks up the thermal boundary layer of the hot gas stream, significantly increasing the heat transfer coefficient while reducing the accumulation of ash and fouling.

By combining the pressure-resistant ASTM A192 seamless carbon steel base tube with highly conductive Carbon Steel (CS) serrated fins, this product offers a perfect balance of exceptional thermal performance and cost-effectiveness for high-temperature applications.

2. Structure & Attachment Process of ASTM A192 Carbon Steel Finned Tubes

Our finned tubes are manufactured with precision to ensure zero contact resistance between the tube and the fin.

• Base Tube (ASTM A192): Made of seamless carbon steel, ASTM A192 is specifically designed for high-pressure service in boilers and superheaters. It offers excellent tensile strength and uniform wall thickness.

• Serrated Fin (Carbon Steel): High-quality carbon steel strips are slit/serrated to form segments. CS fins provide excellent thermal conductivity and are perfectly compatible with the carbon steel base tube for welding.

• The Embedding & Welding Process: We utilize the advanced High-Frequency Resistance Welding (HFRW) process. The continuous serrated carbon steel strip is helically wound onto the ASTM A192 base tube. High-frequency electrical current melts the interface of the tube surface and the fin base, effectively "embedding" and fusing the fin directly into the tube. This creates a homogeneous, full-penetration metallurgical bond that will not loosen even under severe thermal cycling.

3. Chemical Composition: ASTM A192 Base Tube & Carbon Steel Fin

To ensure structural integrity and welding compatibility, we strictly adhere to international material standards. Below is the chemical composition of our standard materials:

Table 1: Chemical Composition of ASTM A192 & Carbon Steel Fin (%)

(Note: Material Test Certificates (MTC) according to EN 10204 3.1 are provided with every shipment.)

4. Dimensional Tolerances for ASTM A192 CS Serrated Finned Tubes

Accuracy in dimensions is critical for the seamless installation of heat exchanger tube bundles. Our manufacturing facility strictly controls the dimensional tolerances as follows:

Table 2: Standard Dimensions and Manufacturing Tolerances

5. Performance Advantages of ASTM A192 Carbon Steel Serrated Fins

Why do engineers choose our ASTM A192 + CS Serrated Finned Tubes?

• Superior Heat Transfer: The serrated design increases the heat transfer rate by up to 20% compared to solid fins by creating higher turbulence in the cross-flow gas.

• Lighter Weight: Serrated fins require less material than solid fins, reducing the overall weight of the tube bundle and the load on the equipment structure.

• Anti-Fouling Properties: The continuous vibration caused by the turbulent gas flow across the segmented fins helps to prevent ash deposition and fouling, making it ideal for dirty gas streams.

• Strong Metallurgical Bond: The high-frequency welded joint between the ASTM A192 tube and the CS fin ensures 100% heat dissipation efficiency and eliminates galvanic corrosion risks.

6. Wide Applications of ASTM A192 Carbon Steel Finned Tubes

Due to their robust carbon steel construction and high efficiency, these serrated finned tubes are heavily utilized in various industrial sectors:

• Power Plants: Boiler Economizers, Superheaters, and Fired Heaters.

• Waste Heat Recovery: Heat Recovery Steam Generators (HRSG) in gas turbine power plants.

• Petrochemical Industry: Air Cooled Heat Exchangers (ACHE), oil heaters, and refinery processing units.

• Biomass & Incineration: Flue gas coolers where gas streams carry high particulate matter.

7. Our Advantages & Manufacturing Experience

As a reliable B2B supplier and manufacturer, we bring decades of expertise to your projects:

• Rich Export Experience: We have successfully exported our ASTM A192 Carbon Steel Serrated Finned Tubes to over 30 countries, serving top EPC contractors and heat exchanger fabricators.

• Strict Quality Control: Every finned tube undergoes rigorous testing, including Hydrostatic Testing, Eddy Current Testing, and Fin Peeling Tests to ensure welding strength.

• Custom Fabrication: We offer bespoke solutions. Whether you need specific fin pitches, heights, or customized unfinned ends, our engineering team will manufacture exactly to your drawings.

• Fast Lead Times & Factory Direct Pricing: By integrating tube sourcing and finning in-house, we eliminate middlemen, ensuring competitive prices and on-time delivery for your urgent plant maintenance or new manufacturing needs.

Looking for a reliable supplier for ASTM A192 Carbon Steel Serrated Finned Tubes? Contact our engineering sales team today for a free technical consultation and a quick quotation!