ASME SA179 Embedded G Fin Tube Aluminum Fin for Medium Low Temperature Heat Exchange

Overview

ASME SA179 embedded G fin tube is the balanced choice for medium-low temperature heat exchange applications where performance, reliability and budget all matter. It combines a seamless SA179 carbon steel base tube with aluminum fins mechanically locked into pre-machined spiral grooves, delivering efficient heat transfer at a fraction of the cost of high-alloy finned tubes. If your project demands a proven, cost-effective solution that still delivers excellent thermal performance and long service life, this embedded fin tube deserves your attention.

1. The Balanced Solution: Efficiency, Durability and Cost

Most finned tubes force you to trade one advantage for another. This embedded G fin tube is engineered to balance all three, which is exactly why it is the preferred choice for medium-low temperature heat exchange duties.

2. Applications in Medium-Low Temperature Heat Exchange

This finned tube excels wherever process or flue gas below 350°C must be cooled or heat must be recovered efficiently. Typical applications include the following.

Material Introduction

The embedded G fin tube combines two complementary materials: an SA179 carbon steel base tube that carries pressure and temperature, and an aluminum fin that conducts heat with high efficiency. The aluminum fin offers a thermal conductivity about four times that of carbon steel, while the SA179 tube provides proven mechanical strength and low cost. This material pairing is the key to the balanced efficiency, durability and cost performance of the finned tube in medium-low temperature service.

Base Tube Material: SA179 Carbon Steel

Fin Material: Aluminum 1060

3. Manufacturing Process

Spiral grooves are machined on the outer surface of the SA179 base tube, and aluminum fin strip is wound and embedded into the grooves under tension, creating a firm mechanical lock. This proven process avoids metallurgical damage to the base tube and keeps the fin root in full contact with the tube surface for efficient heat conduction.

4. Why Choose Us

• Full material traceability with material test certificates (MTC) for every batch of SA179 tubing
• Manufactured to ASME SA179 / ASTM A179 under ISO 9001:2015 quality system
• 100% inspection options: eddy current, hydrostatic and air leakage testing on request
• Flexible customization of fin pitch, fin height, tube OD and length to match your exact duty
• Competitive factory pricing with reliable delivery, backed by responsive technical support
• Sample orders welcomed before bulk production to validate performance

5. Get a Quote for Your Project

Looking for a cost-effective finned tube solution for your medium-low temperature heat exchange duty? Send us your operating parameters - temperature, pressure, process media, tube size and fin requirements - and our engineers will recommend the optimal configuration with a quotation within 24 hours. Contact us today for a free consultation and competitive factory pricing.

Specifications

The standard configuration is shown below; other dimensions are available on request to match the design duty of your equipment.