Fin and Tube Heat Exchangers: The Complete, Practical Guide

Fin and Tube Heat Exchangers: The Complete, Practical Guide

Key points Fin and tube heat exchangers (often called “finned-tube” coils) boost heat transfer by adding fins to round or flat tubes, increasing surface area on the air side. They are common in HVAC coils, power plants, petrochemical coolers, and marine systems. To...
Best Tube Materials for Shell and Tube Heat Exchangers

Best Tube Materials for Shell and Tube Heat Exchangers

Key points The best tube materials for shell-and-tube heat exchangers depend on fluid chemistry, temperature, velocity, and fouling risk. Cu-Ni 90/10 and 70/30 excel in natural seawater; aluminum brass (C68700) works in cleaner chloride waters; titanium (Grade 2)...
Aluminum Brass: Composition, Properties, and Applications

Aluminum Brass: Composition, Properties, and Applications

Key points Aluminum brass, also known as C68700, is a copper-zinc alloy enhanced with aluminum for improved strength and corrosion resistance. Known for its performance in harsh environments, aluminum brass is widely used in heat exchangers, condenser tubes, and...
Finned Tubes: Designs, Advantages, and Selection Guide

Finned Tubes: Designs, Advantages, and Selection Guide

Key points Finned tubes increase heat transfer efficiency by adding external surface area. There are 8 main types of finned tubes: G-Fin, L-Fin, KL-Fin, LL-Fin, Crimped, Extruded, Integral Low-Fin, and Welded. Each type differs in construction method, temperature...
Which Industries Use Copper Alloy Tubes the Most?

Which Industries Use Copper Alloy Tubes the Most?

Key points Electrical sector (~35 %): Dominates demand with busbars, connectors, transformer cooling coils, and grounding systems—leveraging copper’s unmatched electrical conductivity and reliability. Transportation (~25 %): Used in automotive and EV radiators,...